He has done great deeds for our country, although no one knows him.

他对我们国家有很大功劳，虽然没人知道他。

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"All I do is answer his emails because no one knows how to reach him, " Joy says.

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But no one knows who would replace him, and whoever did might not make the world a good place.

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There is no one who knows that more than him.

WHITEHOUSE: The White House