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

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