If they do, the Arctic could be primed for major, even irreversible, changes.
如果是这样，北极地区可能将会有巨大的，甚至不可逆转的变化发生。
This means that the area is at extremely high risk for water demand exceeding supply by 2050 if no major systematic changes are made.
这意味着，如果在2050年前没有系统化的改变，该地区将面临水资源供小于求的极度危险。
If all that the new version has to show is incremental changes in version numbers of major applications, why is there the need for so much hoo-haa?
如果真的有大量应用程式需要升级它们的版本号码的新版本，何以需要那麽多的宣传？
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