PHRASE (协议、宣言或选举结果)无法律效力的，无效的 If an agreement, a declaration, or the result of an election is null and void, it is not legally valid. (协议、宣言或选举结果)无法律效力的，无效的
A spokeswoman said the agreement had been declared null and void.
女发言人称该协议已宣布无效。
The declaration was null and void as it was proclaimed in completely illegal circumstances.