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

It would be way more EFFICIENT.
The Big Bang Theory Season 11, Episode 8

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

...which increase point-to-point drive time,
making it the less EFFICIENT choice.
The Big Bang Theory Season 2, Episode 5

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