economic lifeline短语¹⁴⁴⁹⁷²⁺² 基本例句 经济命脉 A growing number of senior citizens across the US are living with paying guests in their homes, not only for an economic lifeline but also an emotional anchor, Reuters reported. 据路透社报道，在美国，越来越多的老人开始与支付房租的房客“共同拥有一个家”，既能维持开支，又是情感寄托。 blog.sina.com.cn