This has since saved me a lot of trouble. In fact, today many non-Chinese who come to China also take the idea "when in Rome do as the Romans do" to heart.
這樣一來，無論是打電話，還是外出辦事都少了很多不必要的麻煩。其實，當今不少西方人也能做到「入鄉隨俗」。