n.保险；保险费；安全保障
I am an insurance broker. 我是一名保险经纪人。
He works in an insurance company. 他在一家保险公司上班。
His insurance is $ 300 a year. 他的保险费是每年三百美元。
He's applying for two other jobs as an insurance against not passing the interview for this one. 他还申请了另外两份工作，以防这份工作面试不合格。
insurance后习惯接介词on。 He wants insurance on his furniture.他想要自己家具的保险。
n.火险
n.[经]再保险
n.共同保险；共同担保
