Leonard,
I'm on a lifelong TRAJECTORY
The Big Bang Theory Season 5, Episode 10
...returns on its original TRAJECTORY,
and adheres to you.
The Big Bang Theory Season 1, Episode 13
...my career TRAJECTORY
has taken a minor detour.
The Big Bang Theory Season 3, Episode 1
...and I assumed my career would
continue on that upward TRAJECTORY.
The Big Bang Theory Season 8, Episode 6