Researching the rich has become a booming cottage industry as the population of wealthy people has exploded and companies are strategizing about ways to attract them as clients.

• 由于当今富有阶层日益壮大、而且各行各业都在想方设法地争取这些身价不凡的小众客户，所以富人研究已然发展成一个规模虽小但很繁荣的产业。