operation

释义

n. 操作, 动作, 手术, 运算, 作用, 业务\n[计] 运算 and operation 与操作 in operation 生效；运转着 normal operation 正常运行，常规操作

例句

Many small businesses fail in the first year of operation.

许多小企业在经营的第一年就倒闭了。