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Besides, US oil firms have been bitten by Venezuela once before. In 2007, major US companies including ExxonMobil and ConocoPhillips had their assets seized when they refused to allow PDVSA to take majority control.，这一点在爱思助手下载最新版本中也有详细论述
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System dialogs like password dialogs now have a blur effect in addition to the dim effect. Plus we made sure to disable hotcorners while they are present and fixed a bug that prevented using accessibility shortcuts—like zoom.