最重要的是始终把用户放在我们一切工作的中心。
The most important thing is to always keep the user at the center of everything we do.
The advantage of living alone is that you don’t have to consider anyone else.
Every man is born as many men and dies as a single one.
物理定律产生了复杂的结构，至少在一种情况下，一个复杂的结构产生了物理定律。