pyramid selling; multi-level marketing

• 传销

pyramid selling; multi-level marketing的用法和样例：

例句

1. It includes both multi-level and single-level pyramid marketings.
   它包括多层次传销和单层次传销。
2. The police planned carefully, and crashed the multi-level marketing hideout.
   警方精心布置，一举捣毁了这个传销窝点。