Pareto-improvement is a concept in economics that refers to a situation where one person's well-being can be improved without making anyone else worse off.

Self-improvements are essential for personal growth.

He always tries to improve upon his previous performances.

She used a bust improver to enhance her appearance.

She bought several bust improvers to enhance her figure.

She tried to improve the occasion by organizing a surprise party.

I enjoy working on home improvement projects.

The company needs to make a required improvement in their customer service.

The company requires improvement in its customer service.

The company's sales require improvement.