互相依赖

例句：

1. 1.The two companies are interdependent in their operations.
   这两家公司在运营上是相互依赖的。
2. 2.In a marriage, partners often become interdependent over time.
   在婚姻中，伴侣们往往会随着时间的推移变得相互依赖。
3. 3. The ecosystem is interdependent on the health of its individual species.
   这个生态系统依赖于其个别物种的健康。