我曾经是国足 I used to play football
是由经国家 uniter states
他们是不是经常出国 They didn't often go abroad ; Do they often go abroad
上海是中国的经济中心 Shanghai is China's economic center
而是中国青年经济学会 Chinese Young Economist Society
是美国国家经济研究局 National Bureau of Economic Research
是经由英国红外望远镜 UK Infrared Telescope
我厂是经国家相关部门批准注册的企业。
Our factory is approved by the relevant departments of the State registration of enterprises.
本公司是经国家相关部门批准注册的一家家家居用品企业。
The company is registered by the relevant state departments of a home furnishing supplies business.
世鹿实业有限公司是经国家林业局批准，工商局注册成立的。
Is approved by the State Forestry Administration, Commerce and Industry, set up the registration.
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