(1)〈美〉社会保障编号
其作为一种用以确认身份的编号，不仅在为社会福利，而且在其他情况下如编制税务报告时也会用到。

(2)账号；对账户所规定的号码
一般以数字表示，并按编号排列账页，以便于记账和查阅。

• joint and several covenant
• joint and several demurrer
• joint and several judgment
• joint and several liability
• joint and several note
• joint and survivorship estate
• joint appeal
• joint authors
• joint authorship
• joint bank account
• joint bill of exceptions
• joint bond
• joint cause of action
• joint committee
• Joint Committee on Atomic Energy
• joint contract
• joint covenant
• joint creditors
• joint debtors
• joint debtors' acts
• joint defendants
• joint defense
• joint defense doctrine
• joint demurrer
• joint deposit