英语直译：many retired people live on social security c...

英语直译：many retired people live on social security c... 谁知道Social Security social security什么意思 social security是什么意思 什么是social security number? many people live beiside a 求英译中The earth means many things to the people who live on it Many elderly people have to live on money they ____ when the There are many people live on that farm.这句话对吗? 英语作文 My views on camps security social security,social welfare,social insurance 之间的关系? people from different social systems many think differently,