In the past this process of transition has often proven difficult.

在过去，这种转变过程常证明是艰难的。

With geological maps, books, and atlases you can find out all the proven sites of precious minerals.

有了地质地图、书籍和地图册，你就可以找到所有已探明的珍贵矿藏的位置。

It is the victim who is often put on trial and, to add insult to injury, she is presumed guilty until proven innocent of provoking the rape.

受到审问的往往是受害者，更糟糕的是，她被假定为有罪，直到证明强奸并非由她挑逗而引起。

This philosophy has proven its worth.

这个哲理已经证明了它的价值。

Seven years later, they were proven wrong.

7年后，事实证明他们错了。

There are nonetheless several empirically proven benefits.

尽管如此，还是有一些被经验证明的益处。

The technology has proven to help the most demanding customers.

事实证明，这项技术可以帮助那些最苛刻的客户。

Hope has proven a powerful predictor of outcome in every study we've done so far.

到目前为止，我们所做的每一项研究都证明，“希望”是一项强有力的预测结果的指标。

Scientists have proven that despite their poorly developed small eyes, these bats still can see during the day.

科学家们已经证明，尽管这些蝙蝠的小眼睛发育不良，但他们在白天仍然看得见。

Congress needs to find the courage to allow Medicare to pay preferentially for treatments proven to be superior.

国会需要鼓起勇气，允许联邦医疗保险优先支付被证明更具优势的治疗方案。

While pinning down a definition has proven tricky, the general consensus is it's some means of information gathering.

虽然事实证明给好奇下定义很难，但大家普遍认为它是一种收集信息的手段。

The antioxidant nutrients found in papaya have also been proven to reduce muscle inflammation and heal burns and wounds.

在木瓜中发现的抗氧化营养素已被证明能降低肌肉炎症以及能愈合烧伤创疡。

Tobacco taxes, which generate more than twice as much, have proven instrumental in the decline of smoking, which has saved millions of lives.

烟草税的收入是其两倍多，事实证明，它在减少吸烟方面发挥了重要作用，挽救了数百万人的生命。

It's been scientifically proven that three people will be better than one at solving problems, even if that one person is the smartest person in the field.

科学证明，三个人比一个人更擅长解决问题，即使那个人是该领域最聪明的人。

These legislators argue that such a policy would reduce crime dramatically, since it would take people with a proven tendency to commit crimes off the streets permanently.

这些立法者认为，这一政策将大幅减少犯罪率，因为它将使那些已被证明有犯罪倾向的人永远远离街头。

Improvements in a firm's information technology hardware and software are a proven way to increase the efficiency of employees who do the majority of their work on computers.

改进公司的信息技术硬件和软件已被证明是提高在电脑上工作的员工效率的有效方法。

The neuronal imbalance in the brain of the infant caused seizures, prompting surgeons to remove the enlarged hemisphere—a treatment that has proven successful in similar cases.

婴儿大脑的神经元失衡导致癫痫发作，促使外科医生切除了扩大的大脑半球——这种治疗在类似病例中被证明是成功的。

He has a proven track record in marketing.

他有可靠的销售业绩记录。

It is a proven fact that fluoride strengthens growing teeth.

氟化物可以强化生长中的牙齿，这是已证明的事实。

HIV has proven to possess an ability to mutate into drug-resistant forms.

艾滋病病毒经证实能突变成抗药型病毒。

The thing was proven upon him?

这件事已经在他身上得到证实了吗？

Today's state-of-the-art atomic clocks have proven Einstein right.

当今先进的原子时钟已经证明了爱因斯坦是对的。

It has been proven that it is nearly as effective as traditional hand-washing.

经证实，它几乎和传统的洗手方式一样有效。

Not very long ago, it was also unthinkable that a virus would shut down nations and that safety nets would be proven so disastrously lacking in flexibility.

不久以前，人们还无法想象一种病毒能使众多国家封闭，而安全网被证明是如此灾难性地缺乏灵活性。

Their efforts have been proven fruitful.

事实证明他们的努力是有成效的。

Efficient technology is here now, proven and cheap.

现在已经有了高效的技术，经过验证且价格低廉。

This is a good reason to doubt the sun, but can it be proven?

这是怀疑太阳的一条很好的理由，但是它能被证明么？

The good news is that the world is full of proven, cheap ways to save energy.

好消息是，这个世界充满了经过验证的、廉价的节能方法。

There are many commonly held beliefs about eyeglasses and eyesight that are not proven facts.

有许多关于眼镜和视力的普遍认知是未经证实的。

Pre-K advocates insist it is proven and will succeed if integrated with the rest of the child's schooling.

提倡学前班的人坚持认为，这是经过验证的，并且如果能与孩子的其他教育结合起来，就会取得成功。