He says that in some cases, he understands the digital materials better than class lectures.

他说在有些情况下，他对数字资料的理解超过了对课堂讲课的理解。

It's a law that regulates digital material and content.

这是一部规范数字材料和内容的法律。

Such tools can make digital material extremely useful, she argues.

她认为，此类工具可以使数字材料变得非常有用。

She helps her school make the best use of digital material.

她帮助她的学校充分利用数字材料。