Rose from social-media relationship discourse: the counter to the complaint of 单向付出 'one-sided effort.' Used for romance, friendship, and by 2023 routinely extended to business, diplomacy and city branding. Named a 2023 Top 10 buzzword by 《咬文嚼字》.
usage
Collocates with 爱情, 友情, 合作, 奔赴. Often contrasted with 一厢情愿 'wishful thinking / unrequited effort.'