案情陈述2003年4月24日20时许,栾某到ATM自动取款机取款后,忘了将卡退出便离开。陈某欲插自己的卡取款,插不进去才发现有卡未退出。于是陈某按“继续服务”键,然后按“取款”键,从A T M机里取出该信用卡里的5750元人民币。陈某此后拒不退还该款。陈某的行为是否构成犯罪以及构 Case Presentation On April 24, 2003, at about 20 am, Luanmou forgot to withdraw his card and left after withdrawing money from his ATM machine. Chen want to insert their own card withdrawals, do not insert it into the card did not find out. So Chen press the “continue service” button, and then press the “withdrawals” button, from the ATM machine out of the credit card in 5750 yuan. Chen refused to refund the money thereafter. Chen’s behavior constitutes a crime and structure