Obviously, this is quite a rough figure.

很明显，这个数字十分粗略。

youdao

And he and his early compatriots came upon the trick of using the OEX options premiums as a rough way to figure out where the market might be headed.

FORBES: Regulators And Traders Fail To Keep Pace In High Frequency Markets

But LB was tuned in to rough grunts well enough to figure out which food to look for.

FORBES

And though his sharp suits and cosmopolitan approach may charm outsiders, he cuts an awkward figure in the rough-and-tumble of the townships.

ECONOMIST: South Africa