Our new booking app is a faster version of its forerunner, which customers often complained about.

我們的新訂房應用程式比它的前身更快，以前顧客常抱怨那個舊版本。

The finance team said the old spreadsheet was the forerunner of today's budgeting software.

財務團隊表示，那份舊試算表是現今預算軟體的前身。

This express shipping service is the forerunner of the same-day delivery option we plan to launch.

這項快遞服務是我們計畫推出的當日送達選項的先驅。