So he designed a "demonstration" version of the software that would let people test it, but not copy it.

于是他设计了一个“演示版本”，买主可以先测试它，但没法拷贝。

youdao

If you want to use a column for searching but not copy it, clear the check box next to the column name in the rectangle representing the table or table-structured object.

如果要在搜索中使用某列但不复制该列，请在表示表或表结构对象的矩形中，清除该列名旁边的复选框。

youdao

The copied tree is made a slave of the root tree so that mount actions in the root tree are propagated to the copy but not the other way around.

这个复制的树是根树的从属挂载，所以根树中的挂载活动会传播到这个拷贝，但是不会反向传播。

youdao

You should be able to maybe print out a blank copy of those notes from the website not for memorizing them, but now just understanding how the photoelectric effect works.

你们应该可以从网站上打印一份,这些笔记中的空白的纸张,不仅仅是为了记忆，而且现在要理解,光电效应是如何工作的。

麻省理工公开课 - 化学原理课程节选

He tries not only to copy European absolutism, but to open up Russia to commerce, realizing that trade meant wealth and that wealth meant improvements in the lives of the Russian people.

他不仅试图仿效欧洲的绝对主义,也开放了俄国的商业贸易,他意识到贸易意味着财富,而财富则等同于俄国民众生活水平的提高

耶鲁公开课 - 欧洲文明课程节选

The company told the union representatives they could inspect the statement and take notes, but they could not retain a copy of the confidential document.

FORBES: Court Overturns NLRB; Protects Company's Confidential Financial Information

But he did not want to copy Davis and Evans.

NPR: Joe Lovano, Returning to 'The Birth of the Cool'

But the big difference is that not only can purchasers get a copy of Iamus's creations but also their copyright.

BBC: Iamus: Is this the 21st century's answer to Mozart?