I'm afraid I am not in a position to comment on that.
很抱歉，我不能对此发表意见。
I'm afraid I am not In a position to talk about that.
很抱歉，我不能谈这个问
I am afraid I don't have that Information with me.
很抱歉，我现作没有这方面的信息。
I am afraid I don't have the figures with me.
很抱歉，我现在没有这些数据。
I'm afraid that's not my field.
很抱歉，这不是我的领域。