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

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

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