字据

píng zì jù lǐng qǔ kuǎn xiàng

凭字据领取款项

use one's receipt to collect a loan

kǒu shuō wú píng děi lì gè zì jù

口说无凭，得立个字据。

Since verbal statements are no guarantee, a written agreement must be made.

nà shì yī zhāng shōu kuǎn de zì jù

那是一张收款的字据。

It is a receipt for money.