welfare n.福利，安宁，福利事业

　　He is quite a figure in welfare economics.

　　vote n.投票，选票

　　veto n.否决，禁止，否决权;vt否决，禁止

　　The president vetoed against the bill.

　　rejection n. 拒绝

　　embargo n.禁止出入港口，禁运

　　The goveronment issued an embargo on the sale of computers to unfriendlynations.