But it doesn't have to be through philosophy, I think it can be through a wide range of other studies and other activities that you make a difference.
但不一定仅仅是通过哲学,通过学习其他的学科,通过其他的活动,你也一样可以发挥作用。
普林斯顿公开课 - 人性课程节选
Two, you can actually make a difference.
二,你们能带来改变。
哈佛公开课 - 幸福课课程节选
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