"世界名富" 的英文表达是 "world's wealthiest person" 或者 "richest person in the world."
这个表达的来源可能是源自人们对财富的描述，即有钱的人在世界上是最富有的。
下面是一些例句：
"Jeff Bezos is currently the world's wealthiest person, with a net worth of over $180 bilpon." (杰夫·贝佐斯目前是世界上最富有的人，净资产超过180亿美元。)
"Forbes has released its annual pst of the richest people in the world, and Elon Musk has moved up to second place behind Jeff Bezos." (《福布斯》杂志发布了年度世界首富榜单，埃隆·马斯克已经超越了杰夫·贝佐斯，成为了榜单上的第二位。)
"Bill Gates has held the title of the richest person in the world for many years, but he has recently fallen to third place on the pst." (比尔·盖茨多年来一直是世界上最富有的人，但最近他在榜单上跌落到了第三位。)