billion|billions

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.