1.Good point!=好主意！2.That’s interesting! I never thought about it that way before.=有意思！我以前怎么从没想到这一点。3.Could you elaborate on that?=你能再详细谈谈那一点吗？4.Exactly!=这正是我想说的！5.I’m afraid I can’t agree.我不太赞同你的看法。