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n. 关心, 忧虑
vt. 与...有关, 使担心, 使挂念
【经】 租让, 关心的事, 公司; 对...关切

book concern with concern concern with self-concern feel concern about have no concern for going concern theory have no concern with going concern concept of no concern have a concern in gone-concern commercial concern manufacturing concern paying concern elementary concern going concern merchandising concern trading concern