Having kept a running total of the sales we need to add a final record to the output file containing the total sales for the day.

保存累计销售额以后，我们需要向输出文件添加一个最终记录，其中包含当天的总销售额。

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Having kept a running total of the sales we need to add a final record to the output file containing the total sales for the day.

保存累计销售额以后，我们需要向输出文件添加一个最终记录，其中包含当天的总销售额。

youdao