Poor countries tend to have many people working in non-formal sectors, which don't even factor into these pension schemes.
贫困国家往往有很多人在非正式部门工作，而这些部门的工龄是根本不计入养老金方案的。
Poor countries tend to have many people working in non-formal sectors, which don't even factor into these pension schemes.
贫困国家往往有很多人在非正式部门工作，而这些部门的工龄是根本不计入养老金方案的。
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