Security of subsistence
[經(jīng)] 生存保證, 社會保險
?? 詞語組成解析
security
[s?'kj?r?ti]
n. 安全;保證，擔保;保護，防護;有價證券;
adj. 安全的，保安的，保密的;
se分開+cur關(guān)心+ity抽象名詞，性質(zhì)狀態(tài) → 安全；證券
of
[?v]
prep. 關(guān)于;屬于…的;由…制成;
aux. 助動詞 [非標準用語、方言] =have [主用于虛擬語氣];
??? 情景例句
This has been a great learning experience for us, Marilyn.
這對我們是一次很好的學習經(jīng)驗， Marilyn。
Think today and speak tomorrow.
三思而后行。
Suddenly she asked her father why he kept so many old newspapers locked away there,
她突然問父親為什么把這么多的舊報紙鎖在柜子里，