It's cheaper to buy in bulk.

大批购买便宜些。

《牛津词典》

Buying in bulk is more economical than shopping for small quantities.

大批采购比少量购买更经济实惠。

《柯林斯英汉双解大词典》

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"We've seen good levels of output, and given that, for the bulk commodities in particular that's the iron ore and coal both steaming and coking those prices are looking strong.

VOA: standard.2010.01.21

But you do, in fact, have to worry about long-term exposure, cyanide poisoning in terms of long-term effects in certain populations that do get the bulk of their carbohydrates from this root, from the root of the Cassava plant.

但是你确实，不得不担心长时间的接触，氰化物的慢性中毒会对,从木薯根中获取大部分,碳水化合物的部分人群产生影响。

麻省理工公开课 - 化学原理课程节选

Big purchasers get better pricing because when you buy in bulk you can negotiate a better price.

NPR: Democrats to Push for Medicare Changes

Harvey's 70 innings easily lap Warren's 23.2, and nobody is buying Adam Warren jerseys in bulk.

WSJ: Matt Harvey's Yankee Buddy

In 1945 Marvin Sands started making fruit wine in bulk in a converted sauerkraut factory.

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