Please settle the unpaid invoices before the end of the month to avoid late fees.

請在月底前結清未付的發票，以免產生滯納金。

The company offers an unpaid internship, but students receive valuable training and a reference letter.

這家公司提供無薪實習，但學生可以獲得寶貴的訓練和推薦信。

Employees may request up to two weeks of unpaid leave for family emergencies.

員工可因家庭緊急狀況申請最多兩週的無薪假。