police regulations的用法和樣例：
例句
- Police regulations have been as plentiful as blackberries; but they can only hedge in the distress of the workers, they can not remove it.
警察局的條例多得像雪片一樣，但它們只能把工人的窮困狀況包藏起來，而不能把這種狀況消除。 - Police regulations prescribe that an officer's number must be clearly visible.
警員條例要求執行職務者的號碼標誌必須清楚易見。
