We can talk about a happening in three main ways: by describing it， by recounting its history， by telling a story about it.
幸福是一种心态，而不是一系列环境。
Chance is perhaps the pseudonym of God when He does not wish to sign His name.
气候系统是一头愤怒的野兽，而我们在用棍子戳它。
"A key insight in computational learning theory is that the complexity of a learning problem is determined by the complexity of the hypothesis space and the amount of data available."
