heavy discount的用法和樣例：
例句
- We shall be glad if you will quote us the best discount for cash off list price for this quantity.
訂購如此數量，以現金交付，最大折扣若干，敬請惠函告知。 - As this falls appreciably short of the amount necessary to qualify for the maximum discount,we cannot claim it.
由于訂購量太小不符合享受最大折扣的條件，因此我們不能給你這個(gè)優(yōu)惠條件。
