制作一本新教科书的成本约为100万美元。

It costs about $1 million to create a new textbook.

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海尔布隆纳的理论已经成为一些经济学教科书的教条：例如，蒙特·帕尔默认为非技术性的农村发展项目阻碍了建设性变革。

Heilbroner's theory has become doctrine in some economics textbooks: for example, Monte Palmer disparages nontechnological rural development projects as inhibiting constructive change.

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麦格劳·希尔没有回应记者的置评请求，但其首席执行官戴维·莱文在8月份告诉英国《金融时报》：“在高等教育领域，纸质版教科书的时代已经结束。”

McGraw Hill didn't respond to a request for comment, but its CEO David Levin told the Financial Times in August that "in higher education, the era of the printed textbook is now over.

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Moore is quoting here in that phrase "business documents and school-books," as she tells us, from Tolstoy, a prose writer.

穆尔在那个短语里引用了这句,“商业文书和教科书“，正如她告诉我们的，引用来自托尔斯泰，俄国小说家。

耶鲁公开课 - 现代诗歌课程节选

For real gases, there's a whole bunch of equation the states that you can find in textbooks, and I'm just going to go through a few of them.

这是理想气体的状态方程,对实际气体,你可以在教科书里，找到许多描述它们的,状态方程。

麻省理工公开课 - 热力学与动力学课程节选

She will not only include Tolstoy's prose, she will not even discriminate against business documents and school books.

她不会仅仅引用托尔斯泰的诗句,甚至不会在商业文书和教科书之间进行区分。

耶鲁公开课 - 现代诗歌课程节选