Good idea! I totally agree with you.
好主意!我完全同意你的意見。
We are all for your suggestion as to how to render better service.
我們完全同意你關於提供更好服務的建議。
I think you are right.
我認為你是對的。
Excellent! That's exactly what I think.
好極了!那恰恰是我所想的。
That sounds reasonable. We need to get the best possible deal.
聽上去有道理。我們應該獲得更好的交易條件。
I share your views.
我同意你的`意見。
I support your opinion.
我支援你的意見。
I've no objection.
我沒反對意見。
I'm in favor of your proposal.
我贊成你的意見。
Suits me fine.
這對我合適(我同意)。