The government gave a patent to Edward J.Claghorn of New York City so that others would not copy his invention.

VOA: special.2010.02.09

So this is very different from what we did with slicing where we got a new copy of something.

只是和remove之前的不同了,这和以前我们拷贝,某些东西不同。

麻省理工公开课 - 计算机科学及编程导论课程节选

So if you don't buy this book this week, I may be able to make the advance copy of the new edition available for some of you next week.

如果你这周不买,可能下周你们,就能买到新版的了

耶鲁公开课 - 博弈论课程节选