28. Man has a long way to go before he explores the , much less understands what he sees there-if ,indeed, he can see very much.
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much less understands
更不用说理解了
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Man has a long way to go before he explores the, much less understands what he sees there-if, indeed, he can see very much.
人类对于海洋的探险还有很一段路要走，何况了解他所见到的东西，如果他真的在海洋中看到很多东西的话。
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