"It's a cautionary tale, but in many respects it is quite ambiguous about where it stands on the science."

VOA: standard.2010.06.09

But at times the result of their effort is a deeply conflicted, deeply ambiguous text.

但有时，他们的成果,在深处是矛盾的，模糊不清。

耶鲁公开课 - 旧约导论课程节选

It's usually best to respond in a complete sentence rather than saying yes or no which can be ambiguous.

一般来说，回答最好是完整的句子，而不是简单的模棱两可的“是”或“不是”。

Do you mind 课堂 - SpeakingMax英语口语达人