存根

shōu jù cún gēn

收据存根

receipt stubs

dì yī lián wéi cún gēn lián yóu xiāo huò fāng liú cún bèi chá

第一联为存根联，由销货方留存备查。

The first copy is the "stub copy", which is kept by the seller for reference.

piào jù cún gēn

票据存根

ticket stubs

zhī piào cún gēn bù

支票存根簿

cheque stub books