用户需求是产品开发的出发点，也是落脚点。
User needs are both the starting point and the ultimate goal of product development.
Rest satisfied with doing well， and leave others to talk of you as they please.
The danger of the past was that men became slaves. The danger of the future is that men may become robots.
To be at home everywhere is to be at home nowhere.
我不是女权主义者，但我确实相信女性的力量。
在数学中，没有捷径可走。
