“再生效”常见的英文表达可以是 “come into effect again” 或者 “be reinstated in effect” 。
“come into effect again” 强调再次开始生效、恢复效力这一动态过程。例如：The new policy will come into effect again after the adjustment.（调整之后，新政策将再次生效 。）
“be reinstated in effect” 侧重于表达被恢复、重新确立生效状态。例如：The previous regulation will be reinstated in effect next month.（上一条规定将于下个月重新生效 。）