Our erstwhile supplier contacted us again, offering lower prices on bulk shipping.

我們以前的供應商再次聯絡我們，提出大宗貨運的更低價格。

The new CFO met with her erstwhile colleagues from the accounting firm last week.

新任財務長上週與她在會計師事務所的昔日同事見了面。

During the merger meeting, the two erstwhile rivals agreed to share their distribution networks.

在合併會議上，這兩家昔日的競爭對手同意共享彼此的通路網絡。