came up with a more EFFICIENT
neutrino comm system.
The Big Bang Theory Season 11, Episode 8
That seems a fairly EFFICIENT arrangement.
The Big Bang Theory Season 2, Episode 15
I always considered your father
a very effective and EFFICIENT man,
Game of Thrones Season 7, Episode 4
Money Heist Season 3, Episode 4
I-I know my laser would be
way more EFFICIENT.
The Big Bang Theory Season 12, Episode 14