普遍存在的自然灾害威胁。

The omnipresent threat of natural disasters.

它是关于在发生事故或自然灾害时如何营救人们。

It is about how to rescue people in case of an accident or a natural disaster.

灾害保险的确可以很昂贵。

Disaster coverage can indeed be pricey.

书厄；图书事业；灾害。

Book's disasters; Book undertaking; Disaster.

但海地特大灾害的情况并非如此。

Not so for the mega-disaster in Haiti.