什么是social security number?和中国的那些号有什么区别？

social security什么意思 谁知道Social Security social security是什么意思 social security benefits是什么意思 什么是social security number?和中国的那些号有什么区别？ social security,social welfare,social insurance 之间的关系? 什么是Social 什么是Social social security card 和身份证有什么区别? 什么是false sense of security 这个TO后面为什么是动名词?不是原型吗?共和党人在星期六强调了他们保障社会安全的承诺.Republicans stressed their commitment on Saturday to protecting social security.protecting那里,希望网友指教一下, security security Social Security Office 在中国内地有吗?最好是离北京近的地方我指的是美国social security honesty comes from social pressure ,and help make society security..这里的security是名词还是形容词能改为it is helpful to the security of society. 完善的社保系统用英文怎么说?sophisticated social security system? Under the latest rules,non-Beijing citizens must have paid their monthly social security..的翻译 怎么翻译the Beijing Bureau of Human Resources and Social Security