"sign off" in Chinese (Simplified)
签署同意批准结束（广播/电视）
Definition
通过签字正式批准某事，或正式结束广播或沟通，通常伴随告别的话语。
Usage Notes (Chinese (Simplified))
口语或正式都可用。常用于批准 ('sign off on the proposal')，也用于广播/邮件结尾。不应与 'sign in' 混淆；也可指退出账号系统。
Examples
You need the manager to sign off on your vacation request.
你需要经理**签署同意**你的休假申请。
Before we start, the boss has to sign off on the plan.
开始之前，老板必须**批准**这个计划。
The radio host will sign off at 10 p.m.
电台主持人将在晚上10点**结束**节目。
It's getting late, so I'm going to sign off for today. See you tomorrow!
时间不早了，我要**下线**了。明天见！
Once the finance team signs off on the budget, we can move forward.
财务团队**批准**预算后，我们就可以继续了。
Please remember to sign off your emails with your name.
请记得在邮件末尾**署名**。