鲸鱼正处于危险之中，因为有些人污染了它们的海洋家园，还有些人为了吃肉而进行捕杀。
Whales are in danger because some people make their ocean home dirty and others kill them for meat.
调查结果显示，数亿民众已经永久或暂时受到了影响，还有五亿人正处于极端的危险之中。
Its findings indicate that hundreds of millions of people are already permanently or temporarily affected, and half a billion are at extreme risk now.
一个人将个人得失，障碍、危险还有压力抛在脑后，只是做他必须做的，而这便是人类一切道德的基础。
A man does what he must — in spite of personal consequences, in spite of obstacles and dangers and pressures — and that is the basis of all human morality.
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