旅游英语情景对话：在免税店购买商品Can?I?help?you,?sir?有什么可以帮您的吗，先生？Yes,?please.?I'm?picking?out?some?presents?for?my?children?and?wife.是的。我要给我的孩子和妻子挑选一些礼物。What?kind?of?presents?do?you?want?您想要什么样的礼物？Actually,?I?don't?...