来自拉丁语 secare,切，分，来自 PIE*sek,切，砍，词源同 segment,bisect.-ct,过去分词格，-or, 名词后缀。引申词义部门，领域等。

1. The news gave a fillip to the telecommunications sector.

这个消息给电信部门注入了一针强心剂。

2. The news from Body Shop rattled the rest of the retail sector.

从“美体小铺”传来的消息令整个零售行业不安。

3. Hungary may have to lower its hopes of shrinking its state sector.

匈牙利可能不得不降低其缩小国家军事管制区的期望。

4. The staff are forbidden to tender for private-sector work.

工作人员不得投标承接私营部门的工作。

5. The private sector, by contrast, has plenty of money to spend.

相比之下，私营部门就有很多钱可供开销。