banker's book

例句：

1. 1. The banker's book is a record ofall transactions between the bank and its customers.
   银行家的书是银行与其客户之间所有交易的记录。
2. 2. The banker'sbook contains detailed information about the bank's operations.
   银行家的书包含了关于银行运营的详细资料。
3. 3. The banker'sbook was used to track the bank's financial performance over the past year.
   银行家的书被用来追踪过去一年银行的财务状况。