Part of what made Bucky so special was his concern for the planet and humanity.

他如此特别的部分原因是他很关心地球和人类。

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The problem of humanity is the topic of the widespread concern by people.

人性问题，历来就是一个人们普遍关注的话题。

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The problem of humanity is the topic of the widespread concern by people.

人性问题，历来就是一个人们普遍关注的话题。

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