Natural selection is the cornerstone principle of evolution.

物竞天择说是进化论的基础原则。

It's my principles. We're talking about my principles.

这是原则问 是我的原则。

And this principle has to do with the principle of anonymity.

这个原则与匿名原则有关。

This principle is called " herd immunity" .

这一原则被称为“群体免疫”。

That's the principle of a department store.

那是百货商厦的信条。

Yet, most of us avoid these simple principles.

然而我们大多数人却都在回避这些简单的办法。

'cause I still do have my principles.

我还是要坚持我的基本原则。

How? There are five principles and seven actions.

该怎么做呢？有五个原则和七个行动。

To do otherwise would be against our core principles and our business interests.

否则将违背我们的核心原则和我们的商业利益。

There's also the principle of proximity liking.

还有一个原则是“好”。

But I believe I grasp the basic principles.

不过我肯定明白基本原理。

You are always prepared to sacrifice your principles for a repartee, he answered.

“你为了反驳别人从来不怕牺牲自己的原则。”他回答说。

Using the simple principles that you learned here today...

利用你们今天所学到的简单原理。

This is what Heisenberg's uncertainty principle is all about.

这就是海森堡测不准原理的全部内容。

He says the U.S. move violates the one-China principle.

他表示，美国此举违反了一个中国的原则。

It risks closing down the space for reasoned debate and subverting the principle of freedom of speech.

不但给理性辩论空间造成了威胁，也违反了言论自由的原则。

They wanted to codify the principles.

他们想整理规则。

More education is the new principle.

接受更高的教育就成了新准则。

But you need understand this principle.

不过你需要理解这个原理。

For the first time, environmental principles will be enshrined in law.

环境保护原则将首次写入法案。