qióng jiā fù lù
指居家应节俭,出门则要多带盘缠,免遭困窘
清·石玉昆《三侠五义》第23回:“再者银子虽多,贤弟只管拿去。俗语说得好:‘穷家富路。’”
穷家富路作宾语、定语;指出门事宜。
practice thrift at home but be amply provided while traveling