Whereas If our engine is large, we are much more likely to get up that hill, and to do it gracefully with relative ease.

但如果我们的引擎够大，要上那山就容易得多，不费吹灰之力就能做到。

哈佛公开课 - 幸福课课程节选

Granddaughterly." It's a role she occupies with great ease.

像孙女一样“这是她泰然处之的一个角色。

耶鲁公开课 - 1945年后的美国小说课程节选

And rather than looking it as selfish-- some people may feel this ease way-- and rather than looking it as selfish i.e. -- equal immoral.

不要把它看作自私-,有人可能会这样简单考虑-,不该把自私等同于不道德。

哈佛公开课 - 幸福课课程节选