companion和partner的区别
companion是伴侣的意思，而partner则是搭档的意思，区别可以从以下例子看出：
I don\'t have any companion, I enjoy myself, but I have business partner, we know and trust each other, as we are been in business for a long time. 我没有同伴，我很享受自己，但我有生意伙伴，我们互相认识，互相信任，因为我们做生意已经很久了。