buy sth. for sb.为某人买某物make sth. for sb.为某人做某事try it on 试穿它pay for支付a few days later几天后by post通过邮件take time花费时间save time节省时间go out外出over the Internet通过网络one of之一online shopping网上购物on sale降价出售on Mothers Day在母亲节new ways of shopping新的购物方式at any time在任何时间in front of在前面the way to去的路go across横过turn left/right向左/右the middle of在的中间on a clear day在一个晴朗的日子get off下车go past经过turn left into左转进入learn about了解post office邮局take sb. to sw.带某人去某地be famous for以而著名go along沿着