TED演讲之什么是爱:人类性进化的启示(1)
I'm going to go off script and make Chris quite nervous here 我打算不按预定的来,这让克里斯很紧张 by making this audience participation. 我打算让观众参与互动 All right. Are you with me? Yeah. Yeah. All right. 懂我的意思吧,懂。很好 So what I'd like to do is have you raise your hand 我要你举手 if you've ever heard a heterosexual couple having sex. 如果你听到过异性...