Yet,he wrote with more feeling about one subject than any other: that education and hard work will help young African Americans move forward.

VOA: special.2009.11.01

So, marginal land is brought into play with hard work and ingenuity, and this is one of the things that Hanson emphasizes that is so helpful.

那么,边际耕地需要,在一定的生产条件下,生产收益正好足以补偿所需费用的土地,这就是汉森所强调的相当有益的一点

耶鲁公开课 - 古希腊历史简介课程节选

It's one of the most rapidly changing, hard to keep up with areas because someone can set up an electronic exchange overnight and suddenly become a base for trading trillions of dollars of securities.

经纪业是一个变化最快的行业之一,人们很难跟上它的步伐,因为人们可以在头一天晚上,设置一个电子交易,一夜之间,他就能在证券市场赚到千亿美金

耶鲁公开课 - 金融市场课程节选

If you were to defend the easy pass and he goes through the easy pass, he will get into your country with one battalion and that's the same as he would have got if he went through the hard pass.

如果你们都选择的是平坦之途,那么他攻入你的国家时他只剩一个营,这与他选择崎岖之途别无二致

耶鲁公开课 - 博弈论课程节选