2 sentences

1. 当然我会付现金。

   dāng​rán wǒ huì fù xiàn​jīn.

   I'll pay cash, of course.

   Source: OpenSubtitles

2. 我干嘛不付现金？

   wǒ gàn​má bù fù xiàn​jīn?

   Why don't I pay in cash?

   Source: AI Challenger 2017