交换、交易和互换的倾向普遍存在于所有人之中，而在其他动物种族中找不到。

The world is everything that is the case.

The writer must be a defender of the individual against the tyranny of the collective.

有时，最伟大的反抗行为仅仅是记住。

We hope that through Pinduoduo, more people can enjoy the benefits of the internet.

忠于自己和你的艺术；真实才能引起共鸣。