Oasdi
abbr. old-age（old-age,survivors,and disability insurance）\\nabbr. survivors（old-age,survivors,and disability insurance）
🗣️ 情景例句
Never gamble if you can't afford to lose.
如果你输不起的话，永远不要赌博。
I'm speechless.
我也无话可说了。
She wanted to see the doctor because her back hurt.
她是来伦敦看望女儿的。她要看医生是因为背痛。