Vista users, on the other hand, can upgrade to Windows 7 without a clean install. They might as well climb out of that train wreck, since it's easy.
另一方面，Vista用户毋需全新安装就可以升级到Windows 7，因为安装容易，他们极可能会从Vista残骸中爬出。
The clean White House is surrounded by newly planted trees and a calming pool of water, two-metre-high walls surrounding the site on every side - blocking views out as well as in.
洁净的白色墙体被新种植的树木和一个平静的水池包围着，两米高的墙从各个方向围绕着整个场地，挡住了外部的景色，同时也围住了里面的景色。
Having used the advanced well clean-out processing technology, the construction of the processing instrument is lightened, and get good result.
由于采用了较先进的洗井污水处理工艺，使处理装置结构紧凑，处理效果好，只需一台车即可完成注水井的连续洗井作业。
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