you could leave your response to the invitation slightly open-ended by saying you're not sure.

你可以表示你不确定，开放性地回复这个邀请。

I don't know 课堂 - SpeakingMax英语口语达人

And then I take as many raisins as will fit in and I leave. Right? I hope almost every one of you could figure out that was the right strategy.

然后我再尽量装葡萄干,最后我离开，对吧？,我希望你们每个人都发现了这是最优策略。

麻省理工公开课 - 计算机科学及编程导论课程节选

Did you have a place where you could say: Or did you have to leave that behind in favor of life of the mind?

有没有这样一个地方，能让你觉得：,还是你必须把信仰抛在脑后，只能在心中默想？

普林斯顿公开课 - 人性课程节选