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Pro Ye Wende, visited, but he also always concerned about security issues, mental tension can be said for a month, not in the way that, once relaxed, the people are related to de-force in general, of course, Ye Wende is not much better, month inspection trip is not so easy, the situation is not the same everywhere, issues to be considered are not the same, not the same nature to say, this is something consuming effort. windows vista product key,download service pack windows 7 home premium