The transaction function is called, and a callback function is passed to it.
此外，还会调用事务函数并向其传递一个回调函数。
The transaction function of bank counters is weakening, turning into sales center for financial products.
银行网点的交易功能不断弱化，而变成金融产品的销售中心。
The transaction function of bank counters is weakening, turning into sales center for financial products.
银行网点的交易功能不断弱化，而变成金融产品的销售中心。
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