The challenge is to ask what's happening now that in 50 or 100 years will warrant similar ethical incredulity.

这种挑战是要问现在人们所做的什么事情，也会确保50年或100年后受到类似的道德怀疑。

youdao

Used to express surprise, incredulity, or other strong and sudden excitement.

用于表示惊讶，不相信或其它强烈且突然的缴动情绪。

youdao

Then, as I watched the looks of incredulity, doubt or total disbelief on their faces, I would then predict that they would indeed be able to do every one of those routines by the term's end.

然后，如同我看了在他们的脸上不易相信，怀疑或总不信仰的容貌一样，然后我会预测他们会的确能够做期限的结束那些常式之中的每一个。

youdao