出于自愿和兴趣 meaning in English
on ones own account
on one's own count out of interest
Examples
- Brindley had begun on his own account , out of interest , to survey the waterways that he traveled as he went about his engineering projects for mills and mines
布林斯雷在为他的磨坊和矿井建筑工程到处奔走的时候，出于自愿和兴趣，对沿途经过的河道进行了勘察。