social security
social security汉语翻译：【经】社会保障英语解释：名词 social security:social welfare program in the U.S.; includes old-age and survivors insurance and some unemployment insurance and old-age assistance 例句：Most of the...
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social security汉语翻译：【经】社会保障英语解释：名词 social security:social welfare program in the U.S.; includes old-age and survivors insurance and some unemployment insurance and old-age assistance 例句：Most of the...
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