selection, weeding out, natural selection

💡 Nuance & Usage: The process of eliminating the weak, unsuitable, or less competitive, often in a natural or competitive environment. Used in contexts like natural selection (自然淘汰) or market competition. 弱いものや適応できないものが排除され、強いものや適応できるものが残る、という選別・排除のプロセスを指す。