嘿嘿,这个我觉得挺容易的,可能因为我是靠嘴巴吃饭的吧。如何承接上一个人的话:If what you said is true, then...If I understood you correctly, then it is implied that...I agree with your perspective on XXX, however, I disagree with ...Thank you for explaining XXX, but I do have a question on XXX肯定或否定对方观点并提出自己的观点并举例Your description of XXX is very interesting, but I am concerned about what you said regarding XXX, I, on the other hand, believe XXX, for example, ....打断(要快!):yes, yes, you're right...but please do remember, XXX一般来说,我都不会打断别人(非常不礼貌),如果是小组讨论应该设立发言时间限制。冷场:since we are all contemplating on the topic, let me summarize what we have so far: XXXXXXX, any comments?