When you start describing the significance of a symbol like the tunnel, which recurs in the book, you immediately begin to limit it, and a symbol should go on deepening.

当你开始描述一个象征的意义,比如说在书中，反复出现的隧道，当你一开始予以限制，这个象征就会继续深化。

耶鲁公开课 - 1945年后的美国小说课程节选

And beginning next time, we're going to take up questions of the limits of consent in the buying and selling of goods.

下节课开始，我们将解答,买卖商品中，同意的限制问题。

耶鲁公开课 - 公正课程节选

No condition imposed from the beginning that there must be quantized states.

一开始就没有加限制条件,就必须是基态的。

麻省理工公开课 - 固态化学导论课程节选

The Fed has never given loans to anyone other than a depository institution that is a bank until last month, except they did so in the Depression.

上个月，联邦政府已经开始限制贷款业务,除了银行以外的其他金融机构,休想再放出一分钱的贷款，也就是在萧条时政府才会这么做。

耶鲁公开课 - 金融市场课程节选