Windows Chief Steven Sinofsky explained the distinction in a blog post this week. From that post.

Windows主管史蒂文本周在博客上发表了二者的区别，以前是来自其博文的信息。

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When Sinofsky was asked if this violated Apple's patents he said he could not discuss any legal issues.

当有人问西诺夫斯基如果这侵犯了苹果公司的专利，他说，他不能讨论任何法律问题。

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The Windows 7 development was led by Steven Sinofsky, a 20-year Microsoft veteran who had worked in its Office group until 2006.

Windows 7的研发工作是由效力微软20年的史蒂文•斯诺菲斯基(Steven Sinofsky)负责的，2006年之前他一直在Office部门工作。

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So perhaps Steve Ballmer was rather relieved when Mr Sinofsky talked of seeking out new opportunities.

BBC: Windows boss shown the door

The scuttlebutt is that Sinofsky is going to show a preview of Windows 8.

FORBES: D9: From Microsoft Windows Pres Sinofsky, A Look At Windows 8

Sinofsky says for now they calling the next generation of Windows just Windows 8.

FORBES: D9: From Microsoft Windows Pres Sinofsky, A Look At Windows 8