ブラックボックスじゃありませんでした
burakkubokkusujārimasendeshita
1. It was not a black box.; It wasn't a black box.
Noun
#56183
1. It was not a black box.; It wasn't a black box.
1. pupil; disciple
1. (common) cold; influenza
1. snake
2. serpent; large snake
1. then; well
1. hedge