FDA can ask for the proof of safety and effectiveness of a product if its distributors challenge FDA's authority.

如果经销商对FDA的权威提出质疑，FDA可以要求他们提供产品安全性和有效性的证明。

youdao

The proof of your value will be obvious.

这是你价值的证明，它将是显而易见的。

youdao

But here is the proof of my daughter's virginity.

其实这就是我女儿贞洁的凭据。

youdao

Only hours after Mr.Karzai's victory in the tainted election, President Obama welcomed the Afghan leader's pledge to eradicate corruption, but frankly warned the proof of those efforts will be not in words,but in deeds.

VOA: standard.2009.11.17

Because the Mycenaean centers all reveal for that stretch of time that they're scared. The proof of it comes from strengthening their already quite strong walls in almost all the sites that we see, and also--this is a very important fact.

因为在迈锡尼文明的中心,有迹象表明在一段时期,他们受到了威胁,这样说的证据是,我们发现的几乎所有的遗迹,都在本就很坚固的城墙上继续加固,而且,这是一个很重要的史实

耶鲁公开课 - 古希腊历史简介课程节选

That they exist is a proof that American ideals are not the tawdry pretenses they are so often accused of being.

或许这类人的存在,正证明了美国式理想并非无可挑剔,或者说它也在经受着现实的折磨，“

耶鲁公开课 - 1945年后的美国小说课程节选

But chemists are scrambling to turn the proof of concept into a working piece of electronics.

FORBES: Magazine Article

The proof of that is that 50 percent of college graduates this year can't find work.

WHITEHOUSE: The White House

This is the proof of a better future for children and adults struggling with this disease.

CNN: Genetic disease: Mother hopes for cure for dying children