然而，我们对美国退伍军人还有别的重要道义承诺。

However, we have another major moral commitment to the American veteran.

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本病首先报道是在一组美国陆军退伍军人中发生。

This was first described ill a group of American army veterans.

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本病首先报道是在一组美国陆军退伍军人中发生。

This was first described ill a group of American army veterans.

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