Apps, or what you hear more often in China is A-P-P, quickly come and quickly go.

应用程序在中国通常被称为A - P - P，往往是迅速窜红，又马上过气。

youdao

Quickly come, quickly go.

来得快也去得快。

youdao

Quickly come, quickly go.

来得快也去得快。

youdao