多买优惠 英文怎么说

多买优惠
discount on bulk purchase

问题补充：要简练精准的

就是我这个，不能再简练了！

the more you purchase, the more you save买得越多，省得越多
get discount if you purchase a big quantity购买的数量多就可以优惠

Buy more,Gain more
或者
Buy more, Save more

you will get a discount if you can buy more once.

the more you buy ,the more discount you will get

the more you buy,the more discount you'll get.
buy the more, gain the more.