2 sentences

1. 他试图从中牟取暴利。

   tā shì​tú cóng​zhōng móu qǔ bào​lì.

   He tried to reap exorbitant profits from it.

   Source: Dong Chinese Dictionary

2. 既然犯了错，就应该从中吸取教训。

   jì​rán fàn le cuò, jiù yīng​gāi cóng​zhōng xī​qǔ jiào​xun.

   Since you've made a mistake, you should learn a lesson from it.

   Source: Dong Chinese Dictionary