to be caused by (something or someone) : to come from (something or someone)根源在于；起源于
Most of her health problems stem from an accident she had when she was younger.
她的健康问题大多源于年轻时遭遇的一场事故。
His love of the outdoors stems from his father.
他对户外活动的热爱是受父亲的影响。