许多投诉是关于员工的粗鲁。

Many complaints were made about the rudeness of the staff.

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Many complaints were made about the rudeness of the staff.

### 解释 rudeness 是形容词 rude(粗鲁的、无礼的)加上名词后缀 -ness 构成的名词,表示"粗鲁的行为或态度"。

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