化妆品是一个十亿美元的产业。
Cosmetics is a ___billion dollar industry.
她就在那里,在海上70米高处,身后有一个持枪的疯子,脑子里有数十亿个想法。
There she was, 70m above the sea with a crazy man with a gun behind her and ___billions of thoughts in her head.
该公司去年利润超过十亿美元。
The company made a profit of over one ___billion dollars last year.