Example One: Police work on inner-city streets is a domestic Vietnam, a dangerous no win struggle fought by confused, misdirected and unappreciated troops.

• 市中心平民区的治安工作是一支思想混乱、指挥失误、不受欢迎的部队进行的一场危险的、只输不赢的争斗,犹如一场国内的越战。