—— 请按键盘 空白键 开始游戏 ——

人分这么几种:不认识,认识,熟人,朋友,知心朋友。朋友不在当面表白,而是背后说起朋友的时候,是否提到过你。
People can be divided into these types: strangers, acquaintances, familiar people, friends, and close friends. True friendship isn't about compliments to your face, but whether you're mentioned when they talk about friends behind your back.
Sustainability should be at the core of every tech company's strategy.
我们不应当如梦游一般地行事和言语。
The essence of computational complexity is to understand the limits of what can be computed efficiently.