合同条款的模糊性导致了双方对责任范围的争议。

The ___vagueness of the contract terms led to disputes over the scope of responsibilities.

这份合同条款的模糊性引发了双方的争议。

The ___vagueness of the contract terms caused disputes between both parties.

他的回答充满了模糊性，让人难以理解他的真实意图。

His answer was full of ___vagueness, making it hard to understand his true intentions.