Security of subsistence
[经] 生存保证, 社会保险
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
Yup.
是的。
In good years corn is hay, in ill years straw is corn.
丰年五谷贱如草，荒年稻草贵如粮。
During that time she covered a distance of eight miles.
在那段时间里，她游了8英里。