So why does it cost less?

那么为什么它的成本更低呢？

As an adjective, it means costing less, saving money.

作为一个形容词，它意味着花费更少，省钱。

It costs much less than vaccines from Pfizer and Moderna.

其价格远低于辉瑞和莫德纳生产的疫苗。

And soon the process will cost less than chlorine bleaching.

很快该过程的成本将低于使用氯漂白。

Community colleges also cost less than state colleges or universities.

社区学院的费用也比州立学院或高等院（大学）校低。

The new batteries under development could cost one-third to two-thirds less.

正在开发的新电池的成本可能会降低三分之一到三分之二。

Which will cost less: oil or natural gas?

汽油和天然气哪个更便宜呢？

You have to put them together yourself, but they cost a little less.

虽然你得自己DIY一下，但总会便宜一些。

They say it costs less than a class in person.

他们表示，这种方式比线下上课成本更低。

They cost 90 percent less than pads that are thrown away each month.

它们的成本比每月丢弃的护垫便宜90％。

A discount is a reduced price–it's when something costs less than normal.

折扣是指降低的价格——指某物的价格低于正常水平。

Researchers say it takes less time to prepare the ultraprocessed foods and they cost less.

研究人员说，准备这些超加工食品的时间更短，成本也更低。

Economically, it is a machine that costs much less than an equivalent wind turbine.

从经济效益上讲，它比同等发电机更廉价。

These two inventions can diagnose malaria, cost less than a dollar and require no electricity.

这两项发明可以确诊疟疾，成本不到1美金，还不需要电。

It'll cost less and it's a way of appealing directly to our customers.

这样成本更低，而且是直接吸引客户的一种方式。

Hagler notes that a 3D printed home costs a lot less than a traditional home.

哈格勒指出，3D打印房屋的成本远低于传统房屋。

Rents are cheap. An eight-square-metre (86-square-foot) flat costs less than $100 a month.

租金便宜，一间八平米的公寓月租金不到一百元。

But rats - it turns out - do it better. And they also cost less money.

但结果表明，老鼠能做得更好。而且使用老鼠的成本更低。

But the developers say the PPR system is smaller, simpler and costs less to operate.

但是，开发商表示，PPR系统体积更小、更简单，运营成本更低。

But it decided to test goat's milk, which costs less and is locally available.

但它决定测试下山羊奶，这种奶成本较低，而且在当地就能买到。