第三部门的英文：
tertiary sector

The development level of tertiary industry acts as the main standard of the social maturity.
第三部门发展程度如何,是评价一个社会成熟度的重要内容。

Growth of the tertiary industry will help ease the pressure on employment.
三产的兴起有助于减轻就业压力。

primary industry,secondary industry,tertiary industry
第一产业、第二产业、第三产业

There will be a big increase in the proportion of the tertiary industry in GNP.
第三产业在国民生产总值中所占的比重将有较大幅度的增长

Growth of the tertiary industry will help ease the pressure on employment
三产的兴起有助于减轻就业压力

The development level of tertiary industry acts as the main standard of the social maturity.
第三部门发展程度如何,是评价一个社会成熟度的重要内容。

It's the private sector, stupid!
是私人部门出了问题，傻瓜！

regional conference on the private sector
私营部门问题区域会议

This stifles the development of the financial sector.
这就遏制了金融部门的发展。

So this is sector five?
这里就是第五区域？

The playing field is a large sector.
比赛场地是一个扇形的。