前者 (qián zhě): อดีต (เช่นหนึ่งที่กล่าวถึงก่อน)

Health and education are both important, but the former is the foundation of the latter.

Between price and quality, the former often attracts consumers more.

We discussed two plans; the former is more feasible than the latter.

Some people like city life, some like country life; the former is usually more convenient.

I have read both books, but I think the former has more depth.