If we want to keep the ecological balance, will try to avoid soil erosion.

如果我们要保持生态平衡，就要尽力避免水土流失。

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In order to keep the ecological balance, people should protect animals.

为了保持生态平衡，人们应该保护动物。

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In order to keep the ecological balance, people should protect animals.

为了保持生态平衡，人们应该保护动物。

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