n.源泉；起源

Cella is the headspring of wisdom and philosophy. 古希腊是智慧和哲学的源泉。

The first thing we shall do for our own career is making its headspring clear.That will help us establish the sense of pride and work diligently. 我们应该为自己的事业做的第一件事情就是把事业的起源弄清楚，那将帮助我们建立自豪感并推动我们勤奋工作。