精选优质文档-倾情为你奉上Unit FOUR 一、Working with words and Expressiongs1.1)Dont just make a negative complaint about our service; give us some positive advice.2)Some areas of concern distract our attention away from the main problem on which we need to remain focused.3)Viewed from an international perspective ,it appears absolutely essential to emphasize the importance of potential customers needs in developing countries.4)Relax yourself by taking a deep breath if you feel tense before