A contract is invalidated if only one party signs it . 如果只有一方签字,契约即无效。
He was invalidated out of the army because of the wounds he received . 他因负伤而退役。
Economists differ as to whether the many other influences on inflation invalidate the idea of an unemployment-inflation . 对于其它许多影响通货膨胀的因素,是否使得失业-通货膨胀的消长关联,这一点,经济学家们众说纷纭。
A derived class can invalidate the cached version by calling 派生类可以通过调用
I was invalidated out and joined the medical corps 后来我加入了一家医药公司