but they lead mysterious lives of their own as well.请问句中的lea

lead ones' lives=live ones' lives
网上搜到的例句有
Lead an independent life.
过着独立的生活
He lead a miserable life.
他过了一段悲惨的生活.
lead a blameless life evermore.
始终过着清白的生活.
The couple lead a happy life.
那对夫妻过着幸福的生活.
To lead an active social life.
忙于社交活动的过着积极的社会生活
You must lead a clean life.
你必须过纯洁的生活.