今天的美好时光，就是明天的悲伤回忆。

"Prime numbers are what is left when you have taken all the patterns away. I think prime numbers are like life. They are very logical but you could never work out the rules, even if you spent all your time thinking about them."

如果你想成为最好的，你必须做别人不愿意做的事。

乳制品行业必须发展以满足下一代的需求。