这部分是最重要的，一定要确保真实性，海外院校对这部分查得非常严，绝对不能去编造内容。 What is very important and therefore your quality will count on could be the convincing argument you make on an environmental challenge based upon sound economic concept and obtainable facts. 找机构确实是一个难事，最好是有人推荐，这样可以避免很多坑，如果没推荐的