grant function transmission 授权功能传输
function grant
函数格兰特
以上为机器翻译结果，长、整句建议使用 人工翻译 。
TheABAddressBookRequestAccessWithCompletion function does not block the app while the user is being asked to grant or deny access.
ENGADGET: Apple seeds iOS 6 beta 4 to developers: here's the changelog
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