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operating expense
busin. 业务开支; 营运费用
dril. 施工费用
earth.sc. 营业费
econ. 作业经费
fin. 经营费用
libr. 运作开支
oil 营业费用
operating expense: 44 phrases in 10 subjects
Business13
Chemistry1
Commerce1
Economy11
Electronics2
Finances4
International trade2
Oil / petroleum2
Space1
Technology7