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The ticket machine gives change.

自动售票机可以找零。

《牛津词典》

If you sound aggressive to the machine, the machine will change tone to calm you down.

如果你的声音在机器听来具有挑衅的味道，机器就会改变语调使你平静下来。

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This is the idea that a patentshould be given to a machine or something that creates a material change, like a chemical process.

VOA: special.2010.07.16

It's inside the memory of the machine, which means we have access to it, we can change it, we can use it to build new pieces of code, as well as we can interpret it.

它在机器的存储器里面，就是说我们可以进入它，改变它，可以用它来编写新代码，当然也可以翻译它。

麻省理工公开课 - 计算机科学及编程导论课程节选

Rothberg's machine could change all that through speed of analysis and wider dissemination of tools.

FORBES: Magazine Article

We were running short on quarters, so I went to throw a few dollars in the change machine.

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The machine that could change your life is a compact device, only 24 inches wide, 20 inches deep and 21 inches high.

FORBES: Magazine Article