问题描述：
People are not so honest as they once were 这句话后半句怎么理解?
后半句为什么会这么用 as they once were 这个短语的结构和用法?
后半句为什么会这么用 as they once were 这个短语的结构和用法?
问题解答：
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问题描述：
问题解答：
我来补答