I think that these countries are somewhat trying to manage this oil risk but they can't yet get onto the frontier.

我想这些国家或多或少,都试着控制石油风险,但他们根本无法达到有效边界。

耶鲁公开课 - 金融市场课程节选

And that's because it's easier to test small things than big things. And it's easier to debug small things than big things.

这是因为对小一点的对象,进行测试比对大一点的对象进行测,试要简单多了，调试也是如此。

麻省理工公开课 - 计算机科学及编程导论课程节选

Remember, i tried to emphasize how rich you would have to be to undertake the building of the temple, to undertake the construction of one of those beehive tombs.

记住,我试着强调要多富有,才能建造一坐庙宇,才能拥有一座蜂巢墓

耶鲁公开课 - 古希腊历史简介课程节选