The teachers are enthusiastic and have a sense of purpose.

教师们热情高涨，感到很有奔头。

You need to discover a sense of purpose.

你需要去发现某种使命感。

Step 3: Stay active and maintain a sense of purpose.

步骤三：保持活跃性和意志力。

What activities give you a sense of purpose and satisfaction?

什么样的行为能够让你下定决心，有满足感？

What activities give you a sense of purpose and satisfaction?

什么样的活动能给你使命感和满足感？