a golden goose (a golden goose)

Idiom Economics

含义

a source of continuous wealth or profit

持续财富或利润的来源 (chixu cai fu huo li run de laiyuan)

例句

"Their subscription service has become a golden goose for the company."

"他们的订阅服务已经成为公司的一只a golden goose。" (tamen de dingyue fuwu yijing chengwei gongsi de yizhi a golden goose)