"I am committed to fixing our broken immigration system in a way that upholds our traditions as a nation of laws, but also as a nation of immigrants.

VOA: standard.2009.04.17

She is a woman who looks very white but is categorized as black in that system of the South.

事实是，她虽比较白,但还是一个南方的黑人。

耶鲁公开课 - 1945年后的美国小说课程节选

but I'd like to, I'd love to see a system where, where you can work as an attorney no matter what

但我希望看到的制度是，你可以当律师，不论你的学历如何，

想成为律师的话 - SpeakingMax英语口语达人

"The scheme to radically change the sources and the cost of American energy, through a system known as 'cap and trade' may be well intentioned, but it will cost us dearly in jobs and income, and it stands no chance of achieving its objective of a cooler earth,".

VOA: standard.2009.05.30

This is commonly used in the immune system as well, but it's a way of amplifying a signal.

免疫系统也常使用这种方法,但这主要是一种放大信号的方式

耶鲁公开课 - 生物医学工程探索课程节选

But Hobbes lived at a time when the modern system of European states even as we understand them today, was just beginning to emerge.

霍布斯生活在一个时代,这个时代中，现代欧洲国家,就像我们今天理解的这样，已经快要出现了。

耶鲁公开课 - 政治哲学导论课程节选

Sometimes the basic unit is the phrase, but some other times the basic unit is the phoneme or if one's studying language as a system of writing it might be the syllable.

有时候基本单位是一个词组，有时候则是一个音素,也就是在写作的研究中的,一个音节。

耶鲁公开课 - 文学理论导论课程节选

Because this is not a virus at all, but it's a virus subunit, your body doesn't respond to it as strongly, your immune system doesn't respond to it as strongly.

因为这根本不是病毒,而是一个病毒亚基,机体对其反应不是那么强烈,免疫系统不会产生强烈的应答

耶鲁公开课 - 生物医学工程探索课程节选