operation和battle区别

operation是操作的意思，而battle则是战斗的意思，区别可以从以下例子看出：

There is a big battle coming, we need to sit down, discuss how to do this operation, avoid to unnecessary sacrifice, and win the battle. 一场大战即将来临，我们需要坐下来，讨论如何做这个操作，避免不必要的牺牲，赢得这场战斗。