The codes—which typically range in price from $80 to $155 per course—give students online access to systems developed by education companies like McGraw Hill and Pearson.

这些访问码的价格通常在每门课程80美元到155美元之间不等，学生需要通过这些访问码才能在线使用麦格劳·希尔和培生等教育公司开发的系统。

youdao

With savings clubs, E-mail deals, coupons, Internet discount codes, and other incentives, fewer and fewer people are paying full price.

随着省钱俱乐部，特惠信息电子邮件，优惠券，网络发布的打折码和其他的促销措施，越来越少的人是按照标价买东西的。

youdao

For example, the way cashiers entered the price of products into the terminal and logistics systems changed drastically with the invention of bar codes and scanners.

例如，出纳员将产品的价格输入终端机和后台系统的方法就是一种由于条形码和扫描仪的发明而带来的新方法。

youdao

Depending on where you live you may have to traverse several zip codes to garner the lowest price on a used car or truck these days.

FORBES: Where To Find The Best Used-Car Deals

Medicare was urged by the labs to cross walk some average price being paid to existing tests to the new codes (perhaps a median or weighted average of the stacks being used, which CMS would be able to measure).

FORBES: Medicare Has Stopped Paying Bills For Medical Diagnostic Tests. Patients Will Feel The Effects

She notes that she and others have seen shoppers scan the bar codes of merchandise onto their smartphones to see if they can find the items for a cheaper price online.

WSJ: Cold Spring Adds to Mix of Shops