In one case, the professor didn't require students to buy a textbook, just an access code to turn in homework.

有一次，教授并没有要求学生购买教科书，只是需要作业提交的访问码。

youdao

Because it's all digital, it eliminates the used book market and eliminates any sharing, and because homework and tests are through an access code, it eliminates any ability to opt out.

因为它全是数字化的，它淘汰了二手书市场，也杜绝了任何共享，而且因为作业和考试都是通过准入码进行的，它让人们失去了选择退出的任何能力。

youdao

But because it's all digital, it eliminates the used book market and eliminates any sharing, and because homework and tests are through an access code, it eliminates any ability to opt out.

但因为它全是数字化的，它消除了二手书市场，也消除了任何共享，而且因为作业和考试都是通过准入码进行的，它消除了任何选择退出的能力。

youdao

Due to its strong patent position, it also collects fees from 195 licensees, spanning most of the cell-phone industry for code-division, multiple-access technology, which is the standard communications technology in cellular networks.

FORBES: Connect

Non-Microsoft programmers have long asked for equal access to the source code--but Microsoft has steadfastly refused to give it.

CNN: Gates gets slammed

Sun's OpenOffice.org project should be ready by October and will not only give users access to open-source code but will also provide filters to allow Sun customers to use Microsoft's rival products.

CNN: Big names plan to pre-install Sun's StarOffice