您要查找的是不是：
- ballot papers null and void 废票
- ballot paper null and void [法] 无效票
- The act of making null and void. 废除使 ... 作废和无效
- The contract was null and void because it was not signed. 这个合同无效，因为它尚未签字。
- The court ruled that the claim was null and void. 法庭裁决此项要求无效。
- The marriage was declared null and void. 婚姻已宣告无效了。
- The agreement was declared null and void. 这个协议被宣布无效。
- To declare null and void;reverse. 宣布无效；撤消
- To declare null and void; reverse. 宣布无效；撤消
- The contract was declared null and void. 这份合同被宣布无效。
- Almost every new law makes some old one null and void. 几乎每一新的法律实施都使得某一旧的法律无效。
- The contract become null and void when these document is surrender. 当这些文件被放弃时合同变得无效。
- The contract was declared null and void by the competent authority. 主管部门宣布该合同无效。
- The contract becomes null and void when these documents are surrendered. 当这些文件被放弃时合同变得无效。
- The treaty which was signed in private has been declared null and void. 私下签订的条约已宣布无效。
- This contract is null and void. 此合同无效。
- Sell, gift or trade any Account, and any such attempt shall be null and void. 任何这样的企图都是无效的。
- This certificate shall be considered null and void in case of any attention. （此证书在任一情况下将被认为是无效的的。）
- Proxy Forms received after the deadline of 72 hours will be null and void. 截止时间后才收到的代表人委任书将会无效。
- Hemostatic, vitamins are null and void and can not simply Xiya radical. 止血药、维生素都是无效的，单纯洗牙也不能根治。
