Protective Umbrella

• 保护伞

Protective Umbrella的用法和样例：

例句

1. They traveled secretly under the umbrella of dark ness.
   他们在黑暗的保护伞下秘密旅行。
2. Some police collusion with the triad, the protection fee, act as a protective umbrella of the triad.
   有的警察与黑社会勾结，收取保护费，充当黑社会的保护伞。