質問: Is there any difference between the following expressions? When do I have to use one over the other one? A:私に消しゴムを借りさせて下さいませんか。 B:私に消しゴムを貸して下さいませんか。
回答: B:私に消しゴムを貸して下さいませんか means that the lender is the listener, while A:私に消しゴムを借りさせて下さいませんか means that the lender is not necessarily the listener. Practically, you don't use A.