Soon they departed, in a borrowed car. (Para. 8)
Meaning: Soon they left in a borrowed car.
depart: vi. leave, go away
Before you depart, let me give you a word of advice. 在你离开前，让我给你一句忠告。
The plane departs for London at 8 a.m. 飞机上午八点飞往伦敦。
Our tour departs from Shanghai. 我们的旅游线路从上海开始。