采取 (cǎi qǔ): to adopt, to use

In order to respond to this sudden rainstorm, the city government quickly took emergency measures and evacuated residents from low-lying areas.

Since you have already decided, then take action; don't hesitate anymore.

The company adopted a new marketing strategy, hoping to attract more young customers through social media.

The doctor suggested he take conservative treatment, observe for a period of time first, and then decide whether to have surgery.