单词first是什么意思

Let's be practical and work out the cost first.

咱们实际一点儿，先计算一下成本费用。

Our first task is to set up a communications system.

我们的首项任务是架设通信系统。

I didn't like the job much at first.

起初我并不很喜欢这个工作。

The first stage in research is data collection.

研究工作的'第一步是收集资料。

Our first task will be to set up a communications system.

我们的首项任务是架设通信系统。