问题描述：
请教这个英语的结构.But what has to be of more concern in a democracy is,这个怎么理解?
请教这个句子的结构 "The patience of the American people is beginning to wear thin.But what has to be of more concern in a democracy is,the trust of the American people is wearing thin."
请教这个句子的结构 "The patience of the American people is beginning to wear thin.But what has to be of more concern in a democracy is,the trust of the American people is wearing thin."
问题解答：
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