对红海的关注假设行业的结构条件是既定的，企业被迫在其中竞争。

In teaching history， there should be extensive discussion of personalities who benefited mankind through independence of character and judgement.

Protecting marine life is protecting our own future.

这就是如此奇怪的事情，人们不会相信真正真实的东西，就在他们眼前的东西。