在模型中，银行只是一个简单的电子表格，每一行记录一天的交易。

In the mock-up, the bank was a simple spreadsheet, one row per day.

youdao

在模型中，银行只是一个简单的电子表格，每一行记录一天的交易。

In the mock-up, the bank was a simple spreadsheet, one row per day.

youdao