Or we could shatter into countless theoretical shards.

不然我们可能会碎成无数裂片。

That matters because theory suggests that the maximum sustainable yield that can be cropped from a fishery comes when the biomass of a target species is about 50% of its original levels.

这确有其事，因为告诉我们如果一个渔场总储量如果连起初最大可承受捕鱼量50％都不到，就应该降低捕鱼数量了。

Quantum theory adds a whole new wrinkle.

量子给了我们一个全新视野。

Sounds a little impractical, a little theoretical, perhaps?

听起来有点不切实际 有点纯化了，是吗？

Insensibly one begins to twist facts to suit theories, instead of theories to suit facts.

有不知不觉地事实牵强附会地来适应，而不是来适应事实。

And you don't have to theorize about it.

你无须将它化。

Wang Yang says China's plan for deepening reforms has significant innovation and breakthroughs in both theoretical and practical terms.

汪洋表示，中国全面深化改革计划在上有重大创新，在改革举措上有重大突破。

But theoretically you just stand up and walk out.

但上你只要站起来走出去。

The professor's theories, while highly imaginative, were by no means universally accepted.

教授虽然颇具想像力，但根本没达到被普遍接受程度。

For Mr Roberts it seems less about ideology and more about partisan loyalty.

对于罗伯特来说，这无关于空谈，而更是一种党派忠诚度。

In the abstract, the president's authority to declare a national emergency is not in question.

上，特朗普宣布进入紧急状态权利是无可置疑。

She's now heading to theoretically friendlier turf.

现在她将前往上较友好选区。

One such cause now seeks to end biomedical research because of the theory that animals have rights ruling out their use in research.

一个这样诱因是正在寻求终止生物医研究，因为有这样一种说，动物享有权利禁止它们被用于实验。

We should correlate theory with practice.

我们必须把与实践联系起来。

In his teaching, he developed a system with this group of prisoners. He says his way of teaching can help anyone learn how to read and write with about thirty hours of study.

在他教中，他根据这组罪犯发展出了一套。他说他教方式可让用30小时会读写。

Yet, self-education requires students to willingly comprehend and apply whatever principles they are learning.

但是，自要求生能够心甘情愿地领会，并把所应用起来。

And institutional wisdom continues to accept this axiom, despite overwhelming evidence to the contrary.

院继续接受这一念，尽管有压倒性证据证明事实刚好相反。

Could you please illuminate your theory with a little more explanation?

你能稍微解释一下你吗？

I would probably drop the environment. Okay.

我会放下环境不谈 好。

His theory of evolution is one of the most important theories ever.

他进化是史上最为重要之一。