bad cohorts的用法和樣例：
例句
- There is always a bad apple in every batch.
到哪兒都會有害群之馬。 - Some of the guys I paid to originally take the AC propulsion technology and create a production car out of it turned out to be some bad apples, and bad apples hire bad apples.
一些球員本人支付給原先採取推進技術交流，創造一個生產汽車的，原來有一些害群之馬，和害群之馬僱用害群之馬。
