备查

bèi chá lù yīn

备查录音

reference recording

suǒ yǒu zhòng yào wén jiàn dōu bì xū cún dàng bèi chá

所有重要文件都必须存档备查。

All important documents should be kept on file for reference.

qǐng jiāng piào ná chū bèi chá

请将票拿出备查。

Please have your tickets ready for inspection.

dì yī lián wéi cún gēn lián yóu xiāo shòu shāng liú cún bèi chá

第一联为存根联，由销售商留存备查。

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