The focus,says Adam Grant, who manages the program for the World Resources Institute, is to help industry answer some basic questions: "Where did you buy your timber?

VOA: standard.2010.05.28

Or, maybe speaking about the answer to the questions on the Problem Set NO.4 will help you to think this through.

习题册上第四题的答案,也许会对你们有所帮助

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Maybe I can help you find the answer if we talk about it a little bit longer.

要是我们多讨论一会儿的话，也许我能帮你找到答案。

Do you 实战 - SpeakingMax英语口语达人