Our most persistent sales representative finally closed the deal after six months of follow-up calls.

我們最鍥而不捨的業務代表在持續追蹤六個月後，終於談成了這筆交易。

The customer was persistent and called the help desk four times until the refund was processed.

那位顧客非常執著，打了四次電話到服務台，直到退款處理完成。

Thanks to her persistent efforts, the hiring team filled every open position before the deadline.

多虧她不屈不撓的努力，招募團隊在截止日前補齊了所有職缺。