That is unsurprising , but will sharpen the debate about the future of america 's nuclear presence in europe .
这虽不出人意料，但也还是会使关于未来美国在欧洲存放核武器的争议尖锐化。
The move is likely to sharpen the already intense competition between google and microsoft , whose windows operating system controls the basic functions of the vast majority of personal computers .
Facebook 's moves sharpen the battle lines between the social networking giant and google , the search giant , because facebook is trying to change the way people find what they want online .
But as the chill winds of austerity blow away the affluence and optimism of the boom years before the credit crunch , relations between rich and poor look set to sharpen as sky-high property prices and the inflated cost of goods in shops make life increasingly difficult and inaccessible for poor people in the capital .
