Oh, no sir. We already gave you a discount on each item.
哦,不行,先生。每一件东西我们都给你打过折扣了。
I'm tired of going to school day after day.
我厌倦每天上学。
I think it would be a good idea to have comments from secretaries and typists who are already using it. Then they can express their satisfaction with the product.