necessary evil片语KK [ˋnɛsəˏsɛri ˋivəl] /ˈnɛsəˌsɛɹi ˈivəl/发音片语1必要之恶、无可避免的弊害Most people see taxes as a necessary evil of modern life.多数人把税收视为现代生活中的必要之恶。用这个字练口说→