billionaire
🇺🇸
/ˌbɪljəˈner/
🇬🇧
/ˌbɪljəˈneə(r)/
a person who has at least one billion dollars or the equivalent in money or property
The billionaire donated millions to charity to help those in need.
這位億萬富翁向慈善機構捐贈了數百萬美元,以幫助有需要的人。