com·ple·men·tar·i·ty /ˌkɑmplə(ˌ)mɛnˈtærəti, mən-/
補充,補足
com·ple·men·tar·i·ty /ˌkɑmplə(ˌ)mɛnˈtærətɪ, mən-/ 名詞
互補性
complementarity
n 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; "the complementarity
of the sexes"