This is specialoffer and is not subject to our usual discount.

什么，这已经是优惠价格了，平时的折扣没有了。鱼和熊掌。

This is a special offer and is not subject to our usual discount.

这已经是优惠价了，没有平时的折扣了。

This is a special offer and it is not subject to our usual discount.

这是一个特殊的报价，与常规的折扣不同。

For instance, if your usual policy is to have payments due in 30 days, offer a small discount such as 2 percent to customers who pay within 14 days.

比如说，如果你们公司的一般政策是在30天内付清应付款项，那么就为在14天内付清款项的客户提供2%的小优惠。

You receive a 20% discount off the usual charge.

提供通常参加费的20%折扣优惠。