对享乐的无尽追求有时会导致空虚感。

The relentless ___pursuit of pleasure can sometimes lead to a sense of emptiness.

他移民了，为了给家人寻求更好的未来而放弃了一切。

He emigrated, leaving everything behind in ___pursuit of a better future for his family.

她的成功证明了她在自己领域对卓越坚定不移的追求。

Her success is a testament to her unwavering ___pursuit of excellence in her field.