质数就是当你把所有模式都剔除后剩下的东西。我觉得质数就像生活,它们非常有逻辑性,但你永远无法找出规律,即使你花上一辈子时间去思考。
A good farmer is nothing more nor less than a handy man with a sense of humus.
短缺乃是一种符号,它意味着价格被人为地保持在低于供求双方可以自由行事时的水平。
The beauty of cinema is that it can transport you to another world.