知乎，让每一次点击都充满意义 —�?欢迎来到知乎，发现问题背后的世界。  Inquiry Make sure you feel free to post your inquiry information to us. We're going to connection with you without delay.回看我初创阶段，写的内容都是自嗨型内容，自己想写啥写啥，完全不注意定位，不知道利他�