Pyramid selling
01
金字塔销售, 传销
a form of multi-level marketing where profit is derived primarily from recruiting others into the scheme, rather than from legitimate product sales
例子
Authorities warn consumers to be cautious of pyramid selling programs, as they are often illegal and unsustainable.
当局警告消费者要谨慎对待金字塔销售计划，因为它们通常是非法的且不可持续的。
