伊朗人好客真是到了家，在茶馆里或乘的士，每当我们问价钱的时候，回答总是“不必了”，让我们摸不着头脑。

Iranian people are hospitable to the core. When in a tea shop or taxi, we ask how much we have to pay.

youdao

一些问题问的不着边际，一些问题问的令你诧异。

Asked irrelevant questions, ask some questions to make you surprised.

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其中一个问：“我想知道它们在那上面找不着食时吃什么呢？”

One of them asked:" I wonder what they eat when they can't find food on the bird table?"

youdao

So when we say, he says invisible things can't be destroyed, he means the things that you can't see or touch or hear or feel, whatever it is, see, touch, smell, taste.

所以当我们说，他说无形的东西不可毁灭，他的意思是你看不见摸不着,听不见也感觉不到的东西，看，摸，问，尝所有这些。

耶鲁公开课 - 死亡课程节选