For here, perhaps, the record did offer a takeoff point.
Last year's salary of $1.45 million is merely a takeoff point.
Most of the troops were already outside the embassy compound and assembled at the takeoff point.
"We're at the takeoff point to become one of the 10 best universities in the nation."
In this sort of bootstrap situation, you have a very slow growth rate until you reach the takeoff point.
Your fortune had already reached the takeoff point, where it can't possibly be spent no matter how you try; it just keeps growing.
Now they are at the takeoff point, and their first-generation experience can't help them.
Was this a takeoff point for the hidden quarry?
No doubt the recipe was a series of more or less intelligible steps with a clear takeoff point.
Probably the local folk didn't use it at all, even as a takeoff point for game exits.