...caused by relative motion between
the SOURCE of the wave and the observer.
The Big Bang Theory Season 1, Episode 6
Leonard, it is a SOURCE of great pain
to me and my family...
The Big Bang Theory Season 4, Episode 18
Can you see the SOURCE code
that's generating the response?
Westworld Season 2, Episode 6
So to begin with, what are we saying
is the SOURCE of this money?
Breaking Bad Season 3, Episode 11
I know that money can
be a SOURCE of friction
The Big Bang Theory Season 12, Episode 3