So you're implementing this black box, and if its purpose in life is to actually return a value, you have to tell the compiler what kind of value to expect, and this is going to have ripple effects.

你在实现这个黑盒子，如果它的目的是,返回一个值，你必须告诉编译器你期望的是什么类型的值，这个将是一个连锁反应。

哈佛公开课 - 计算机科学课程节选

Maybe it's a tradition, maybe it's to keep the value kind of in a familiar range or a small-- they don't want them to get too expensive because people can't-- small investors can't afford them anymore.

也许是传统使然,也许是为了将价值维持在一个惯常的小区间内,他们不想让价格升得太高,因为人们,小投资者无法承担过高价格

耶鲁公开课 - 金融市场课程节选

I would be looking at this--at the debt areas Student: You mentioned about the U.S. dollar falling in value recently. What kind of foreign currency vehicles or trading would you recommend to kind of hedge a bet against a dollar assuming that it continues to fall?

我会考虑这方面的投资--债务市场方面的机会,学生：你刚才提到美元,最近贬值的问题，那么哪些品种的外汇金融工具,或者外汇交易在你看来可以用来,对冲美元贬值的风险,如果我们假设美元还会将继续贬值？

耶鲁公开课 - 金融市场课程节选