如果经济不景气，穷人将遭受最大打击，因为他们是最弱的群体。

If you have an unhealthy economy, the poor will get hurt worst because they are the weakest.

《柯林斯英汉双解大词典》

没有他们，那些经济上落后的群体仍然可以生存。

Groups with pimitive economics still manage without them.

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尽管大陆北部允许更多样化的经济存在，一些早期的人类群体很快向南迁移。

Even though the northern part of the continent allowed for a more varied economy, several early human groups quickly moved south.

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