The reasoning behind this saying is that low oil prices discourage investment in new production capacity, eventually shifting the oil supply curve backward and bringing prices back up as existing oil fields—which can be tapped at relatively low marginal cost—are depleted.
出自-2017年6月阅读原文
The British traveler Charles Thompson spoke for many Grand Tourists when in 1744 he described himself as being impatiently desirous of viewing a country so famous in history, a country which once gave laws to the world, and which is at present the greatest school of music and painting, contains the noblest productions of sculpture and architecture, and is filled with cabinets of rarities, and collections of all kinds of historical relics.
出自-2017年6月阅读原文
Whether it is a transition from imported to domestic oil or from coal-powered electricity production to natural-gas power plants, politicians love to talk big.
出自-2015年12月阅读原文
The major components of our energy systems, such as fuel production, refining, electrical generation and distribution, are costly installation that have lengthy life spans.
出自-2015年12月阅读原文
Whether patent for seeds is harmful to agricultural production.
出自-2013年12月阅读原文
Furthermore, this figure does not reflect the fact that large amounts of land, energy, fertilisers and water have also been lost in the production of foodstuffs which simply end up as waste
出自-2013年12月阅读原文
The challenge is that an increase in animal-based production will require more land and resources, as livestock (牲畜)farming demands extensive land use.
出自-2013年12月阅读原文
Energy Usage: Energy is an essential resource across the entire food production cycle, with estimates showing an average of 7-10 calories of input being required in the production of one calorie of food.
出自-2013年12月阅读原文
This varies dramatically depending on crop, from three calories for plant crops to 35 calories in the production of beef
出自-2013年12月阅读原文
Wheat production takes 50% of its energy input for these two items alone.
出自-2013年12月阅读原文
With production anticipated to increase by 25% between now and 2030, sustainable energy sourcing will become an increasingly major issue
出自-2013年12月阅读原文
This will help improve produce handling in the harvest, and immediate post-harvest stages of food production.
出自-2013年12月阅读原文
The production and application of fertilisers and pesticides account for the largest part of energy use in the modern industrialised agricultural process
出自-2013年12月阅读原文
When the Ford Motor Company, for example, recently announced that it was bringing some production home, the White House cheered.
出自-2013年6月阅读原文
When you see things like Ford moving new production from Mexico to Detroit, instead of the other way around, you know things are changing,\ says Gene Sperling, director of the National Economic Council
出自-2013年6月阅读原文
How did the White House respond to Ford's announcement to bring some production
出自-2013年6月阅读原文
Moving production to other countries.
出自-2012年12月阅读原文
I only heard about the delay yesterday because we kept the production line clear to handle these special sheets.
出自-2013年6月听力原文
Another way in which meat production affects the environment is through the use of water and land
出自-2013年6月听力原文
One acre of farmland use to for crop production can produce 1,500 pounds of tomatoes.
出自-2013年6月听力原文
A decrease in production costs
出自-2013年6月听力原文
\The sun provides the lowest cost of production and the cheapest meat,\ he says.
2019年12月六级真题(第三套)阅读 Section B
As the sea creeps into these fresh—water marshes, however, rising salinity (盐分) is hampering rice production.
2018年6月六级真题(第二套)阅读 Section C
Farmers are reporting steep losses and a new $20 million tomato-paste factory has halted production due to the shortages.
2017年12月六级真题(第一套)阅读 Section A
For both beef and dairy production, it requires, at least in the beginning, more pastureland.
2019年12月六级真题(第三套)阅读 Section B
Grass-fed beef production tends to be more labor-intensive as well.
2019年12月六级真题(第三套)阅读 Section B
Only a small fraction of the population was literate, but the production of books grew at an extraordinary speed.
2017年12月六级真题(第一套)听力 Section B
Publishers were interested only in books that would sell fairly quickly in sufficient numbers to cover the costs of production and make a profit.
2017年12月六级真题(第一套)听力 Section B
Reducing waste by incorporating med materials into production can cut costs and decrease the price of procurement: less to be procured from the outside and more to be re-utilized from the inside.
2019年6月六级真题(第二套)阅读 Section B
The reasoning behind this saying is that low oil prices discourage investment in new production capacity, eventually shifting the oil supply curve backward and bringing prices back up as existing oil fields—which can be tapped at relatively low marginal c
2017年6月六级真题(第一套)阅读 Section B
Thus, while printing enormously increased access to books by making cheap, high-volume production possible, it also reduced choice.
2017年12月六级真题(第一套)听力 Section B