
Okay, what if you rig up a pulley SYSTEM
The Big Bang Theory Season 10, Episode 13

I figured out a solution
for our navigation SYSTEM
The Big Bang Theory Season 10, Episode 20

from a star-based rating SYSTEM
to a thumbs-up rating SYSTEM.
The Big Bang Theory Season 7, Episode 1

It's actually a very elegant SYSTEM.
You know, what goes around comes around.
The Big Bang Theory Season 2, Episode 22

for a neutrino-based
communication SYSTEM,
The Big Bang Theory Season 11, Episode 8