释义：事情已经到了非常急迫的地步，需要立即采取行动来应对，而顾不上其他长远或次要的事情。比喻事情急迫，先行救急。
Life is about growth and change. When you stop growing, you stop living.
The meaning of a word is not a mental entity， but a social practice.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.