We could use the context object to obtain the calling request, look for the named parameter "operand", obtain its URI and issue a sub-request for that resource.

我们可以使用上下文对象来获得调用的请求，寻找命名参数“operand”，获得其uri并对该资源发出一个子请求。

youdao

To request access to contact data, call theABAddressBookRequestAccessWithCompletion function after calling the ABAddressBookCreateWithOptions function.

ENGADGET: Apple seeds iOS 6 beta 4 to developers: here's the changelog

He is now calling for a "reasonableness" clause to be introduced to the act so that any request for information has to be reasonable and relevant to the workings of a council.

BBC: FoI requests 'hamper' Prestatyn Town Council