世间的事情纷繁复杂难以预料，春天的忧愁让人黯然神伤独自入眠

The ocean is not just a resource; it's our responsibility to protect and sustain it for future generations.

所有星期一、泪日、哀号日、重击日、恐惧日、破碎日。

化学的未来在于开发与自然合作而非对抗的可持续方法。

In mathematics, you don't understand things. You just get used to them.