used textbooks

基本解释

Buy used textbooks.
买二手教科书。
Amazon is a great place to buy and sell used textbooks.
亚马逊是一个买卖旧课本的好地方。
Many, though, can order digital books online. Digital or electronic books are generally cheaper than new and used textbooks.
然而并不是所有想省钱的学生都会去租书，很多人会在网上订购数字图书或电子书，一般来说这比买新书或旧书都便宜。

He says Singapore used to import all of its mathematics textbooks from other nations.

The top online rental company offers students both new and used textbooks for anywhere from 25% to 80% off the retail purchasing price.
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However, full year sales were lower as compared to a year ago, due to a shift from selling new and used textbooks to lower priced textbook rentals.
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With a program called Rentback, the Utah-based company encourages students to send in their used textbooks, which CBR then rents out per the usual process.
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