Spending has increased year on year.

与去年同期比较，开销增加了。

Overall capacity is expected to be flat year on year.

总体库存水平预计与去年同期持平。

Revenue growth dropped to 3% year on year in the second quarter.

今年第二季度，谷歌的收入同比增速已经下滑到了3%。

American raw domestic steel production is down 47% year on year;

美国内粗钢生产量年同比下降了47%。

The chart below shows how M3 has declined almost 6% year on year.

下图表明了M3是如何的在过去几年每年下降几乎6%。

Fiscal revenue was 6.85 trillion yuan, up 11.7 percent year on year.

财政收入达6.85万亿元，同比增长11.7%。

Real export growth slumped to 2.1% year on year from 6.5% in the third quarter.

实际出口增长率也从第三季度6.5%的同比增长率跌至2.1%。

In April, food prices surged 11.5% year on year. Non-food prices rose just 2.7%.

在四月份，食品价格与去年同期相比激增了11.5%，非食品价格仅上涨2.7%。

On March 18th America’s inflation rate was reported at 0.2%, year on year, in February.

3月18日报告的美国二月年化通货膨胀率为0.2%。

Overall revenues fell at several big Banks, both over the previous quarter and year on year.

不论是跟上季度还是跟去年相比，几大银行的总体收益都呈下降状态。

Slowing growth in weekly earnings, now at 2.7 per cent year on year, is another serving of angst.

每周收入的缓慢增长(同比增幅为2.7%)，也加剧了人们的担忧。

Retail sales increased by 14.8% year on year in April, maintaining the recent trend of impressive expansion.

四月的零售额比去年同期增加了14.8%，维持了近来令人印象深刻的增长趋势。

Figures published on January 21st showed that real GDP grew by 10.7% year on year in the fourth quarter.

本月21日公布的数据显示，实际GDP在第四季度同比增长了10.7%。

It grew by 9.5% in the second quarter (year on year), having grown at a similar rate in the previous three.

第二季度同比增长了9.5%，保持了前三个季度的增长势头。

Exports plunged 25.7 percent year on year in February, one of the sharpest falls ever, while imports dived 24.1 percent.

出口比去年2月同期下跌25.7%，是有史以来最大跌幅之一，同时，进口也下跌了24.1%。

Theories of supply and demand do not work, either. Mining production is slightly up year on year; jewellery demand is down by 13.8%.

而供需理论此时也解释不通，因为采矿业的产量年复一年地轻微增长，珠宝的需求已下跌了13.8%。

It is the biggest year-on-year drop since 2005, making 2010 the second-lowest attended year of the decade.

这是自2005年以来最大的同比降幅，使2010年成为该十年来参加人数第二低的年份。

But, as the FBI pointed out, the Numbers are too fuzzy to make year-on-year comparisons with any validity.

但是，正如联邦调查局指出，这些数字太模糊，不能用来在有效性上与上年同期数字做比较。

Growth accelerated to 11.1 per cent year-on-year in the first quarter, above expectations and almost its fastest rate in a decade.

今年第一季度，中国经济较上年增长11.1%，这个数字不仅超出了人们预期，而且几乎是十年来的最快速度。

Globally, hotel prices rose 15 per cent year-on-year, reflecting the increasing demand for hotel rooms against a backdrop of undersupply.

全球酒店价格较上年同期上涨15%，这反映出在酒店客房供应不足的情况下，市场需求正不断扩大。

Sales of the electronic components it manufactures for firms around the world were up 70% year-on-year in the first half of 2009.

2009年上半年，它为全球各大公司生产的电子产品零部件的销售额与去年同期相比增长了70%。

Sales at malls rose in the past two months on a year-on-year basis, ending a string of declines.

在过去两个月,购物商场的销售额停止直线下降趋势，与去年同期相比开始上升。

The volume of cargo exports declined by approximately 13% year-on-year, while imports and transshipments showed low single-digit decreases.

货物出口量同比下降了将近13%，而货物输入量和转运量只是以一位数的速度下降。

Its precise working varies from country to country, and it has changed over time-so that year-on-year comparisons can be misleading.

在不同国家，这种方法的准确运作会有差异，而且它也会随时间变化而变化，因此同比结果可能具有误导性。

Growth in average earnings slowed to just 1.8% year-on-year, the lowest number since records began in 2001.

平均收入增长率同比下降到1.8%，这是自2001年有记录以来的最低数字。

Base effects were expected to ease in the second half, capping CPI at below 4% year-on-year.

基数效应预计会在下班见减缓，以把消费价格指数控制在同比低于4%的水平。

Sotheby's, which has the larger share of the Old Master market, saw a bigger year-on-year fall: 36%.

占据早期绘画市场大部份额的索斯比在该市场的交易额同比下降了36%。

Year-on-year growth rates conceal this bounce; to spot the turning-point, look at quarterly changes.

比去年同期增长率掩盖了这一反弹事实，为了体现这一转折点，我们来看看各季度变动。