bucket shop
noun
informal, derogatory <非正式, 贬>
1
- an unauthorized office for speculating in stocks or currency using the funds of unwitting investors（擅自挪用投资者的资金进行证券和货币买空卖空的）投机商号。
2
- Brit. a travel agency, typically of an unregistered or unscrupulous type, that specializes in providing cheap air tickets〈英〉（尤指未经注册或不守商业道德, 提供廉价机票的）旅行社。