24.

bucket shop
投机商号

[双语解释]

（Also called “telephone boiler room.”） An office that is used to promote worthless land or securities by mail or through telemarketing.
（也被称为“电话交易所”）通过邮件或电话营销来推销荒地或垃圾证券的地点。

例句：

Crooks across the country are using bucket shops to scam older people.
全国各地的骗子都利用投机商号来欺骗老年人。