原文∶For a transaction，the customer needs his passbook and fills out his deposit or withdrawal slip,
译文∶客户交易时都需带上存折，井填写存款单或取款单。

原文∶For a transaction，the customer needs his passbook and fills out his deposit or withdrawal slip,
译文∶客户交易时都需带上存折，井填写存款单或取款单。

修改：客户每次存款、取款时都需带上存折，并填写存款单或取款单。