ブラインドカーボンコピーでしょう
buraindokābonkopiideshō
1. Probably a blind carbon copy.
Noun
#3126813
1. Probably a blind carbon copy.
1. copy; photocopy
2. book jacket blurb
3. (advertising) slogan
1. carbon
1. window blind; blinds
2. blind
1. copier; copy machine
1. copy-and-paste
2. copypasta (block of text that is copied and pasted across the Internet)
1. copyright
1. it seems; I think
2. right?; don't you agree?
1. Copy machine's; Of a copy machine
1. Blind; Of blind