成功者与失败者的唯一区别就是愿意付出努力和勇气。
The only thing that separates successful people from the ones who aren’t is the willingness to work really hard and to be really brave.
The most important thing is to focus on the user and all else will follow.
交易的关键是拥有优势并知道这个优势是什么。
成功不是拥有的，它是租来的，而且每天都要付租金。