新职业英语2课文习题答案Unit4 1.昨天我留下加了一会儿班。(extra) I stayed and did some extra work yesterday 2.为了赶上她的同学，她学习非常努力。(in an effort to). She has been studying very hard in an effort to catch up with her classmates 3.电视提供大众化的娱乐。(universal) Television provides universal entertainment 4.我们怎样才能提高顾客的忠诚度？(loyalty) Howcan we improve customerloyalty? 5.请你方便时给我们寄一份你们最新的产品目录。(convenience) Please send us a copy of your latest catalog at your convenience 6.他手头工作太多了，不能跟我们去野餐。(on hand) He has too much work on hand to go pi
