这家公司去年赚了很多美元。

Zhè jiā gōngsī qùnián zhuàn le hěn duō Měiyuán.

This company earned a lot of US dollars last year.

我用信用卡付了五十美元的晚餐费。

Wǒ yòng xìnyòngkǎ fù le wǔshí Měiyuán de wǎncānfèi.

I paid fifty US dollars for dinner with a credit card.