The past is a river, and we are all carried by its currents.
过去是一条河流，我们都被它的水流带走。
我不是说唱歌手，我是一个诺贝尔奖得主。
A moment is a small piece of time, but it can be a very important piece of time.
可持续发展不是成本，而是我们一生中最大的创新机会。