飞速地

He sped his car through the street.

他开车速地穿过街道。

The canoe shot the rapids.

独速地冲入急流。

Being able to answer them on the fly gives you a real advantage over the crowd of innumerate amateurs.

能够速地回答这些问题，将使你获得一个位于无数业交易者人群之上的优势。