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he session.I think the answer to the question needs some further study.I’m afraid is not within the field of the presentation.I’m not sure if what you’re saying has any relevance here.I’m not sure if what you’re saying has anything to do with our problem.I’m not sure if what you’re saying really matters in this case.I’m not sure if what you’re saying is relevant to our problem.e. 無法回答時(shí)的表述I’m sorry my experience/knowledge about your question is very limited so I think I cannot give a good answer to your question.I’m sorry I really don’t know the answer to the question.Unfortunately I cannot answer the question at the moment.I’m afraid I have no idea how to answer your question (about that).Sorry, I’m afraid I know little about that matter, so I don’t think I can answer your question right now.It’s quite difficult for me to answer that question now.I can’t really recall。 I’ll have to get back to you on that.I can’t quite remember。 I’ll need to do a little checking and get back to you.I can’t fully remember。 I’ll have to check up on it.I can’t recall all the facts。 I’ll have to get back to you.f. 回答之后的表述I wonder whether my question is helpful to you.Does that answer your question in a right way?Is my explanation clear enough?Is that what you wanted me to answer?Would anyone like to and anything (to what I’ve said)?Would anyone care to ment?Would anyone like to give their ideas on this?Would anyone care to add their thoughts(to the discussion)?