I've done a great deal of work on love and sex, and now have written at least eight books.

我大量研究爱情与性爱，到现在写了至少八本书了。

麻省理工公开课 - 电影哲学课程节选

Typically, we're distracted from thinking about them by the distractions provided by the body-- the desire for food, drink, sex, what have you, sleep.

通常我们对这些东西的思考,被身体的一些需求打乱了,比如对食物,饮料,性,睡眠的欲望

耶鲁公开课 - 死亡课程节选

Now eating can perhaps be a metaphor for sex, some have argued.

有人说，“吃“也许是对性的隐喻。

耶鲁公开课 - 旧约导论课程节选

The Acts of the Apostles doesn't have sex.

使徒行传不涉及性。

耶鲁公开课 - 新约课程节选

So this is where you'd go to relax, to make a business deal, to meet your friends, to chat, to try to have sex, try to meet somebody.

人们可以在那儿得到放松，谈谈生意，见见朋友，聊天，性爱，约会。

耶鲁公开课 - 新约课程节选

We are basically committed to each other for sex but it's very hard to make those relationships last a long time because we might not have anything in common, we might not share anything with each other, we might not trust each other, we are not particularly bonded to each other.

我们基本上只有激情的承诺,长时间维持这种关系很困难,因为可能双方没有任何共同点，没有共享的东西，我们可能互不信任，不是特别亲近。

耶鲁公开课 - 心理学导论课程节选