全国最大的写字教材提供者Zaner - Bloser提供从一年级到八年级的教材练习，不过，他们也承认现在很少有学校买三年级以上的写字教材了。

Zaner-Bloser, the nation's largest supplier of handwriting manuals, offers coursework through the eighth grade but admits that these days, schools rarely purchase materials beyond the third grade.

youdao

建议你买本书营养学教材，里面有具体的介绍。

Suggest you buy this book dietetics teaching material there is detailed introduction inside.

youdao

冒昧的问一句，你买的教材名称是什么？

So, what is the name of the textbook you use?

youdao

One solution for that is to get a copy of a textbook I wrote called Basic Training in Mathematics.

解决办法之一,就是买一本我编写的教材,书名叫《数学基础训练》

耶鲁公开课 - 基础物理课程节选

Before you go, that's Barry Nalebuff at the back, he has copies of the book, it's a great book, go buy it from him.

巴里·纳莱巴夫就坐在教室后面,他手里有需要教材,是一本不错的教材,你们走之前去他那里买一本吧

耶鲁公开课 - 博弈论课程节选