记录问题-伟人说世界上不存在问题这个东西，只有机遇。

Journal about problems a Some people say there is no such thing as a problem; there are only opportunities.

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上周，科学家们警告说，世界上三分之一的北极熊可能会在未来40年里消失。

Last week the scientists warned that a third of the world's polar bears could disappear in the next 40 years.

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“西尔弗曼说：”世界上已经有太多杂乱的广告，。

"There is already too much advertising clutter in the world, " Silverman says.

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There's no language in the world that has a rule that says the fifth word has to be a verb.

世界上并没有语言规定,说第五个词必须是动词

耶鲁公开课 - 心理学导论课程节选

just empirically speaking about the Harvard students, looking the trends and statistics-- empirically speaking, Americans are the most generous people in the world.

或只是说哈佛学生，根据发展趋势和统计，美国人是世界上最慷慨的人。

哈佛公开课 - 幸福课课程节选

We don't have the ideal world that I just described, but to some extent we do, so we want to think about diversifying in this world.

现实世界并不像我刚才说的那么理想，但在某种程度上这种现象还是存在的,所以同样也要考虑多元化的问题。

耶鲁公开课 - 金融市场课程节选