ブラックボックスであれば
burakkubokkusudeareba
1. If it were a black box; If it is a black box
Noun
#57036
1. If it were a black box; If it is a black box
1. juke-box
1. minivan; people-mover
1. Let's…; Shall we…
1. To have someone do; To let someone do
1. Must do; Have to
1. Cannot have; Cannot do