オプショナルパーツじゃない
opushonaru pātsujanai
1. Not optional parts.; Not an optional part.
Noun
#2867266
1. Not optional parts.; Not an optional part.
1. It's not an optional part.; It's not an optional component.
1. not
1. then; well
1. within ...; inside ...
1. vacuum bottle; thermos
2. jar
1. a little less than; a little under
2. weakness; the weak
3. -lower (seismic intensity)
1. patient