The rising popularity of the craft has raised a question of water scooter regulation.

随着流行度的增高，也带来了水上摩托管理的问题。

Which raised a question: How, exactly, does an amateur paleontologist get a 20-ton fossil out of the ground?

这就提出了一个问题：业余古生物学家究竟是如何从地下取出一块 20 吨重的化石的？

The moves by Europe and Japan's central banks have raised a question about what tools others, such as the U.S. Federal Reserve, have to fight a slowing economy.

欧洲和日本央行的举动引发了一大疑问，即美联储等其它机构会采取什么手段应对经济放缓。

Little Pearl's unwonted mood of sentiment lasted no longer; she laughed, and went capering down the hall, so airily, that old Mr. Wilson raised a question whether even her tiptoes touched the floor.

小珠儿难得的多愁善感再也没有了。她笑了，然后在大厅里蹦蹦跳跳， 轻快得让老威尔逊先生怀疑她的脚尖是不是连地板都碰到了。