-You still can ask your formal supervisor to give you a verification letter even if he/she left the company (he needs to address that he was your supervisor during he served the company)..
還有另一個十年前的雇主都沒什麽聯係了,他們HR估計連我payroll的記錄都沒了,
但是我有當時離開時他們給我的推薦信。
-That letter is helpful.
類似的情況大家一般都怎麽操作呢?