And I want enough negative space to create the illusion that the angel is nearly airborne.

我需要足够的负空间来幻想这些天使真的是会飞的。

youdao

But May 6 could happen again and the SEC needs to be prepared, according to James Angel, a Georgetown finance professor who has been warning about the possible negative effects high frequency trading since last year.

FORBES: High Frequency Traders Face SEC/CFTC Panel