他放弃了高薪工作，转而从事更有意义的教育事业。

He gave up his high-paying job to pursue a more ___meaningful career in education.

她的演讲充满深意，每一句话都值得深思。

Her speech was full of ___meaningful words that made everyone think deeply.

收到你的来信对我来说意义重大。

Getting your letter was very ___meaningful to me.