I just love that line. We used to eat this fish free in Egypt.

我很喜欢这段，我们以前在埃及，不花钱就可以吃鱼。

耶鲁公开课 - 旧约导论课程节选

if I were rich, I would do this for free because I love to teach.

如果我赚够了钱，我想做义务教学。

教授的梦想 - SpeakingMax英语口语达人

There's another argument descartes could have made that's a lot less subtle than the ones he did make, which is "That thing responsible for free will and love and consciousness?

笛卡尔本可以指出一个,比他所举论据,更为巧妙的论据,也就是,"这东西会是引起自由意志,爱恋,与意识的原因吗

耶鲁公开课 - 心理学导论课程节选