I often wonder what future generations will make of our efforts.

我常常想：后代将怎样评价我们所作出的努力。

《牛津词典》

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Parents often wonder what effect thumb sucking or sucking on a pacifier might have on their baby's teeth.

VOA: special.2009.03.11

I said that if I was really hygienic, and you can now wonder about how often do I shower?

但是这真的很棒，对不对？,那么为什么我要说这些呢？,我说过如果我真的很讲卫生的话？

麻省理工公开课 - 计算机科学及编程导论课程节选

People thinking of relocating to greener, safer pastures often wonder where these lists come from.

WSJ: Joe Queenan on Lists of Best Cities to Live In | Moving Targets

He had his ticket for the Titanic stolen and I often wonder what happened to the blighter who took it.

BBC: Cornwall

But I often wonder what it would have been like if my father had a greater presence in my life.

WHITEHOUSE: The White House Blog: The President