你可以让API调用，读写文本文件，访问其他数据库或数据存储使用ado，跑道循环通过记录，写其他许多复杂的功能。
You can make API calls, read and write to text files, access other databases or data stores using ADO, run DAO loops through records, and write many other complex features.
POS机上的数据操作主要是将POS机上的数据转存到数据库或数据文件中，而会员卡再发行系统则可以通过将失效会员卡循环利用，从而保证成本控制。
The data operation on POS is to transfer data and save into data base or data files, while the member card re-emission system is used to recycle run out member card and reduce cost.
POS机上的数据操作主要是将POS机上的数据转存到数据库或数据文件中，而会员卡再发行系统则可以通过将失效会员卡循环利用，从而保证成本控制。
The data operation on POS is to transfer data and save into data base or data files, while the member card re-emission system is used to recycle run out member card and reduce cost.
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