国家是理性的行为体，它们寻求最大化相对权力，以确保在竞争性的国际体系中生存。

如果我觉得所在的城市美丽迷人，那么我的生活一定也是如此。

The Internet is a place where people can connect, share, and learn.

I couldn't remember the reason for living, and when I did it wasn't convincing.

We don't even know how strong we are until we are forced to bring that hidden strength forward.

我们正在进入一个量子现象将成为工程工具的时代。