Employees of all urban enterprises may participate in the basic old-age insurance program, and all enterprises and employees in towns and cities have the obligation to pay the basic old-age insurance premiums.是什么意思_Employees of all urban enterprises may participate in the basic old-age insurance program, and all enterprises and employees in towns and cities have the obligation to pay the basic old-age insurance premiums.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句