coordinate; go together; be complementary to each other ❍ 我们已决定了两种行动方针，它们将～。We have decided on two courses of action which will be complementary to each other.
相辅而行xiānɡ fǔ ér xínɡ
形容两个相互关联的事物互相协助或互相配合使用。go together, coordinate, be complementary to each other