这种戏剧性的剧烈环境变化，意味着人们不得不寻找一种方式来代替狩猎。

This dramatic change of environment meant that people had to find an alternative to hunting.

youdao

这种戏剧性的剧烈环境变化，意味着人们不得不寻找一种方式来代替狩猎。

This dramatic change of environment meant that people had to find an alternative to hunting.

youdao