In a nutshell, this code tries to create the object using one version of MSXML; if that fails, it then creates the object using the other version.

这两行代码基本上就是尝试使用一个版本的MSXML创建对象，如果失败则使用另一个版本创建该对象。

youdao

The Version 6 product installation program places the files it creates into one of two separate environments.

版本 6 产品安装程序将其创建的文件放置于两个单独环境中的一个当中。

youdao

If it cannot find the object in the session it creates a new one.

如果在会话中找不到对象，它就创建一个新对象。

youdao

You put it between two pieces of paper, then you write on the top one and it creates as copy on the bottom one.

你将它放在两张纸之间，然后你在上面那张纸上写字,下面那张纸上就会复印下来。

耶鲁公开课 - 金融市场课程节选

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