Sustainable fishing isn't an option—it's the only way forward if we want to preserve marine ecosystems.
可持续捕捞不是一种选择,如果我们想保护海洋生态系统,这是唯一的前进道路。
真实是一个不断的过程,而不是一个静止的状态。
The history of mathematics is a history of human thought and progress.