集合，泛型，时间类的介绍。

An Introduction to Collections, Generics, and the Timing Class.

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加勒比地区火山在那些时间类不会爆发，滚淌的岩浆流向新的通路。

Relief will not occur until some days have passed when the roiling magma has found new pathways for its flow.

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现在我们航行至北部一百千米的地方，在航行中我们有时间类欣赏尼罗河沿途的风景。

Now, we sail about one hundred kilometers north. This gives us time to enjoy the river scenes along the Nile.

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And over time,as a result of many of these studies, result of examination result of asking also the right questions, I have become happier.

随着时间的推移，出现了很多这类研究，由于提出了正确的问题，我变得更快乐。

哈佛公开课 - 幸福课课程节选

If you look at the percent of time people in society were involved in various activities and broken into agriculture versus everything else, in ancient Egypt it looked like this.

如果你留意一下,人们从事各种社会活动的时间比例,被分为农业生产和其他活动两类,在古埃及,时间分配是这样的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

They can be on store shelves for a long period of time, and that has to do with the economics of food, especially food available to the poor, which we'll discuss later.

因此可以在商品货架上销售很长一段时间,这也与食物的经济学价值有关,特别这类食物穷人也买得起,这个我们以后会讨论

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选