Excuse me, can I interrupt?對不起，我能插一句嗎？

A: Excuse me, can I interrupt?
甲：我能插一句嗎
B: Yes, please.
乙：當然可以，您請說。

我能插一句嗎：
Sorry to break in.

不好意思，插一句。
I would like to make it clear that…

我想重申一下......

(二): It's up to you.您來決定吧。
A: How do you like it?
甲：您看這樣行嗎？
B: It's up to you.
乙：您來決定吧。
表示客套的用語，表示“隨您方便”、“都可以”：
It depends on you.
As you wish.