zhè / tào / jiù / xìtǒng / de / dài tì zhě / xūyào / jīngguò / chōngfèn / cèshì / cái néng / zhèngshì / shàngxiàn

这套旧系统的代替者需要经过充分测试，才能正式上线。

The replacement for this old system must undergo thorough testing before it can officially go live.