the act of selling something, typically a financial product, to someone when it is not necessary or not suitable for them

The report revealed that many thousands of people had been the victims of misselling. 该报告显示，成千上万的人成为了误导性销售的受害者。

This could prove to be the biggest misselling scandal in UK history. 这可能是英国历史上最大的不当销售的丑闻。