Small-scale fisheries are just as vital as large operations for a balanced ecosystem.

代数群的算术是理解朗兰兹猜想的关键。

Green finance is not just a responsibility but also a new growth driver.

I'm the narrator, and this is my life.

选择朋友要慢，改换朋友要更慢。

λ演算本质上是一个关于函数及其应用的理论。