Credit card fraud: Refers to illegal credit card management regulations, using fraudulent or obsolete credit cards, fraudulent use of other people's credit cards, or malicious overdrafts, etc. , to defraud public and private property in large amounts. Which of the following behaviors are not crimes of credit card fraud:. ['Zhang has been taking more and less deposits after receiving the Jinhui credit card, and fled after overdrawing more than 100,000 yuan.', 'After Wang picked up a MasterCard credit card in a shopping mall, he used the name of the card owner to buy more than 50,000 yuan of jewelry in the shopping mall.', 'Sun went into his home to take away the credit card while his neighbor was unprepared, and swiped the card to spend more than 50,000 yuan.', 'Zhao used his work in a bank to forge multiple credit cards and used these credit cards to make high-value purchases.']