The banks take precautions to prevent any attempts at industrial espionage while confidential documents are on the premises.银行里都有机密文件，所以他们采取预防措施以防任何商业间谍活动。The big computer companies are very worried about industrial espionage.大型电脑公司很担心业内的间谍活动。The man was charged with industrial espionage.此人被控告从事工业间谍活动。