... informal sector非正式部门 tertiary sector第三产业（服务业）；第三产业部门 sector gear[机]扇形齿轮，扇形轮 ...
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N-COUNT The tertiary sector consists of industries which provide a service, such as transportation and finance. 第三产业 [商业]
...economies that are slowly increasing the proportion of their labour force in the tertiary sector.
...第三产业就业比例缓慢上升的经济体。
The METI's tertiary sector activity index for 2q rose 2.6% QoQ, marking a sixth consecutive quarterly increase.
经济产业省公布第二季的第三产业活动指数较上季升2.6%，连升六季。
Air lines as part or the tertiary sector can draw lessons herein; they can know customers better and narrow the gaps to improve service quality.
作为服务性行业的航空公司可从中进一步了解旅客的需要，减少差距，提高服务质量。
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