前面这么说都行。只改正文：
Because of the need in business, the company's planning to update the telephone system. Three commnunications companies have submitted plans, please see attachment files for details. Please read them carefully and give suggestions by the end of this month. The company will place an order early next month.
内容全部来源于网络收集，如有侵权，请联系网站删除：QQ：24596024