money tree; gold mine; cash cow
Idiomatic expression for a source of steady income or profit, often used in business or personal finance contexts.
この事業はまさに金のなる木だ。
This business is a real cash cow.
彼にとってその特許は金のなる木だった。
That patent was a gold mine for him.
jade plant; money plant
Refers to the succulent plant Crassula ovata, commonly called 'money tree' or 'jade plant' in English. Often given as a gift symbolizing prosperity.
金のなる木は乾燥に強い観葉植物です。
The jade plant is a drought-tolerant houseplant.
新築祝いに金のなる木を贈った。
I gave a jade plant as a housewarming gift.