
Of course, I'm already seeing
a more EFFICIENT way of taming the--
The Big Bang Theory Season 9, Episode 10

Oh, he's just helping us
develop a better, more EFFICIENT
The Big Bang Theory Season 11, Episode 8

I always considered your father
a very effective and EFFICIENT man,
Game of Thrones Season 7, Episode 4

That seems a fairly EFFICIENT arrangement.
The Big Bang Theory Season 2, Episode 15

AMY: My goodness, that form of stimulation
is highly EFFICIENT.
The Big Bang Theory Season 10, Episode 23