Oasdi
abbr. old-age（old-age,survivors,and disability insurance）\\nabbr. survivors（old-age,survivors,and disability insurance）
🗣️ 情景例句
Please, use the phone.
请打吧。
The sky is not less blue because the blind man does not see it.
天不会因瞎子看不见而减其蓝色。
Really? I can't believe it.
真的吗？我不相信。