We intend to place large regular orders, and would therefore like to know what quantity discounts you allow.
我方将定期大量订购,因此想知道你方给多少数量折扣。
I'll have to ring you back, as I need to have a look at my diary and I haven't got it with me.
我得(等会儿)再给你回电话,因为我要先看看我的日记,而我没有把它带在身边。