[attrib.]used in various phrases to describe something that has proved effective or reliable before 曾經(jīng)行之有效的;曾為可靠的 novel applications of tried-and-tested methods. 曾經(jīng)行之有效的方法的新應(yīng)用。
常用詞組 the tried and true
something that has proved effective or reliable before 被證明有效(或可靠)的東西 supermarkets generally stick to the tried and true. 超市一般堅(jiān)持采用經(jīng)證實(shí)切實(shí)可行的方法。