and operation

基本解释

You can use a click-and-drag operation for various purposes.
点击-拖动操作可用于各种不同的目的。
But Kazakhstan—controversially—has just taken over the chair of the Organisation for Security and Co-operation in Europe.
但是哈萨克斯坦刚刚颇具争议地接管了欧洲安全合作机构的运作。
But the truth is that the EU does not really have foreign policies: it has instruments and tools, such as aid money and co-operation agreements with endless third-country “partners”.
但事实是，欧盟并没有真正的外交政策：它有的只是工具和手段，如援助资金以及与数不尽的第三国“合作伙伴”的合作协议。

In May of nineteen forty-three, Louie Zamperini and his crew left their base in Hawaii to begin a rescue operation.
What if I wanted to buy the whole kit and caboodle--the whole operation?
如果我想把整个公司都买下来呢
耶鲁公开课 - 金融市场课程节选
Because of that, because they're not directly wired together but because there is - are decisions and integrations occurring at each junction, the potential operation of the nervous system becomes diverse.
正因如此,正因为神经元并不是直接联系在一起的,但在每个连接处进行决策和信息整合,使神经系统的活动具有多样性
耶鲁公开课 - 生物医学工程探索课程节选

The search-and-rescue operation was small-scale and well padded with diplomatic excuses.
ECONOMIST: America’s old alliance subsides into the sand