Once you get this information then you are going to be able to differentiate between a risky proposition for purchase to a less risky ."

VOA: standard.2010.05.28

it's designed to have the students, I guess, be able to say, more or less,

我想，课程设计的目的是，概括的讲，

哥伦比亚大学的教程 - SpeakingMax英语口语达人