跪求英文摘要语法错误改正,括号里的内容就是指导老师打出来的需要修改的,我自己找不到错误点啊Businesscorrespondenceisthemeanstopromotebusinessexchangesandtocoordinateinternationalbusinessactivities

Question

跪求英文摘要语法错误改正,括号里的内容就是指导老师打出来的 需要修改的,我自己找不到错误点啊
Business correspondence is the means to promote business exchanges and to coordinate international business activities of( modern relationships,.) business correspondence as a very important way of Business communication .Politeness( principles determine )the degree of politeness,(so business letters must be higher than the daily correspondence ,)it is also (writing skills )which we should focus on grasping in English business letter.the principles of politeness is the practical application of methods in foreign Correspondence ( can reflect from This attitude of ) the drafting,select the vocabulary.(politeness )can reflect from positive,tactful,In short,the politeness principle play a pivotal role in business correspondence,politeness can be reflected by the polite way which are varied.

Answer 1

1.( modern relationships,.)relationship是不可数名词,不能加s2.（principles determine ）删去principles的s3.(so business letters must be higher than the daily correspondence ,)higher这个词用的不好,根据...