A symbiotic relationship is one in which organisms, people, or things exist together in a way that benefits them all.
例句
...fungi that have a symbiotic relationship with the trees of these northwestern forests...与西北部这些森林里的树木存在共生关系的真菌Racing has always had a symbiotic relationship with betting.赛马总是与赌博相挂钩。
英英词典释义
Adjective
1. used of organisms (especially of different species) living together but not necessarily in a relationship beneficial to each