Video shows what human being means. A person; a large sapient, bipedal primate, with notably less hair than others of that order, ... ... <看更多>

Technology isn't just changing society — it's changing what it means to be human. A conversation with historian of science Michael Bess. ... <看更多>

The meaning is quite different. Regarding the pronoun, English has no gender-neutral singular pronoun (other than it, which we've already ... ... <看更多>