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.

这是原则问题 重点是我的原则。

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。

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“亲近偏好”。

But I believe I grasp the basic principles.

不过我肯定明白基本原理。

After all, there's a principle at stake.

毕竟，这事关原则。

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。

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。

Consciously, Harvard professors implement the principle in every specific teaching procedure.

哈佛教授有意识地把独立思考原则落实到教学的每一个具体环节上。

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

环境保护原则将首次写入法案。

They wanted to codify the principles.

他们想整理规则。

At the same time, it follows market principles, and it aims to create high-quality development.

同时也坚持市场化运作的模式，它的目标是实现高质量发展。

More education is the new principle.

接受更高的教育就成了新准则。