如果让鼻子挡住了,该怎么做俯卧撑呢?
In your life there are a few places, or maybe only the one place, where something happened, and then there are all the other places.
永远不要低估玩家的智慧。
在数学中,提出问题的艺术必须比解决问题更有价值。
Never say never, because limits are just illusions.
无产阶级是普遍的阶级,他们的根本锁链是可以破裂的阶级。