关于协议这一部分到底是什么意思存在着相当大的含混不清。

There is considerable ambiguity about what this part of the agreement actually means.

《柯林斯英汉双解大词典》

关于协议延期之事，美国的立场是鲜明的。

The US position is significant in terms of the delay.

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在长达三个小时的会议中，谈判小组不断的回答着与会编剧们关于协议的提问。

Three hours into the meeting, the negotiating team was still answering audience questions about the contract.

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