for no particular reason, I decided to go for a little run.

VOA: standard.other

I mean all those of you doing sports here-- and it's most of you in this room who are doing athletics, who go for a run, you rely on the law of gravity.

你们中喜欢运动的-,教室里多数人都做运动，跑步时需要万有引力定律。

哈佛公开课 - 幸福课课程节选

I mean all those of you doing sports here-- and it's most of you in this room who are doing athletics, who go for a run, you rely on the law of gravity.

你们中喜欢运动的-,教室里多数人都做运动，跑步时需要万有引力定律。

哈佛公开课 - 幸福课课程节选