User needs are both the starting point and the ultimate goal of product development.
这是我的一个秘密,再简单不过的秘密:一个人只有用心去看,才能看到真实。事情的真相只用眼睛是看不见的。
成功的真正标准是你如何处理失败。
The key to trading success is to have a solid understanding of market dynamics.