○  英语演讲教程:asking and answering questions  ○

i think perhaps dr. chen would be better able to answer this question.

prof. li would be a better person to answer your question since he has done a lot of work in this field.

fortunately, prof. 'ma, who is an authority in this area, is 'here. i think no one is more suitable than him to answer your question.

dr. sawyer is perhaps in a better position to tell us something about it.

perhaps my colleague dr. emery here has some better ideas.

i think it would be better if prof. wu were to make some comments on this matter.

avoid using the following expressions to embarrass the questioner:

"i've already answered that but you obviously weren't listening." instead say something like "i'm sorry i didn't explain that clearly."

avoid talking to one questioner. look towards the other, side of the conference hall or room and

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