银行测试 用户故事 As a client of the bank So that i can keep my money in one singular place I would like to open a bank account As a client of the bank So that i can see how much money is in my account I can see my balance As a client of the bank So that i can put money into my account I can make a deposit As a client of the bank So that i can access the money in my account I can make a withdrawal As som