我不是说唱歌手，我是一个国王。

The great powers are always searching for opportunities to gain power at the expense of their rivals, which makes them inherently aggressive.

机器人是一种被编程执行多种任务的设备，并且可以重新编程以执行其他任务。

一棵树的真正价值是用几十年衡量的，而不是美元。