I perhaps shall simply keep silent

It is a pity, that now I can not express - I am late for a meeting. But I will return - I will necessarily write that I think on this question.

Curious question

I apologise, but, in my opinion, you are not right. Write to me in PM, we will discuss.

It agree, very useful piece

This phrase is simply matchless :), very much it is pleasant to me)))

What curious question

I apologise, but this variant does not approach me. Perhaps there are still variants?

I can consult you on this question. Together we can come to a right answer.

You have hit the mark. In it something is also idea good, agree with you.