"The key is not to eliminate fear, but to control it."
关键不是消除恐惧，而是控制它。
文学是人类的记忆。
The success of Pinduoduo lies in finding an underdeveloped market.
Science knows no country, because knowledge belongs to humanity, and is the torch which illuminates the world.
质量不是概念；它是一种现实。