sign off

基本解释

Only tenuously linked to any civilian institution, they are above the law and sign off on virtually all big decisions.
只要与任何文人机关扯上一点关连，他们的地位就高于法律并实际上签署所有重大决定。
It was designed to get scientists to work out what was happening to the climate, and to get governments to sign off on the scientists’ conclusions.
该组织的职责在于协助科学家研究出气候发生了哪些变化以及协助各国政府签署科学家的研究结论。
Iteration T1 then allowed subject matter experts to conduct user acceptance testing and sign off on the system before it was released into production.
迭代 T1 允许主题专家在产品向生产发布之前，在系统上实施用户体验测试并且停止活动。

Mother set off with some of the children to look for Bill, but they could find no sign of him.
We know they can't sign a legal agreement, but let's take that off the table.
我们都知道不能签署违法合同,那就只能私底下签协议了
耶鲁公开课 - 博弈论课程节选
Well after that, the bond price went up because people saw that as a sign that the company was tightening its belt and doing things right to have money to pay off the bondholders; so it was self-interested, I suppose--maybe you can ask him about this.
在这之后,债券的价格升高了,因为人们认为降低红利是一个信号,说明公司开始紧缩开支走向正轨,并且去偿付债券持有人,莱德利夫通过这种做法达到利己的目的,我想你们可以就此事向莱德利夫提问
耶鲁公开课 - 金融市场课程节选

The Iraqi parliament did finally sign off on the last changes to that document.
NPR: Iraq Seeks Sunni Support for Constitution