名詞 complementarity:

1. a relation between two opposite states or principles that together exhaust the possibilities
2. the interrelation of reciprocity whereby one thing supplements or depends on the other

com.ple.men.tar.i.ty

n.（名詞）
The state or quality of being complementary:
互補(bǔ)的狀態(tài)或性質(zhì)：
例句：
.This is where the complementarity of the masculine and the feminine so acutely emerges. They are the necessary poles of a dialectic process.(Therese Namenek)
.正是在這里男性與女性的互補(bǔ)性明顯表現(xiàn)出來。這正是辯證過程中兩個不可或缺的方面.(特蕾澤·內(nèi)姆奈克)