The phrase "indispensable skill" is a correct and usable phrase in written English.
You can use it when talking about an important or necessary skill or ability that someone has. For example: "Programming is an indispensable skill for a software engineer."
The ability to perform emergency open or percutaneous suprapubic catheterization (SPC) is an indispensable skill in medical practice.
If you possess the one indispensable skill – battering and blustering your way to the top – incompetence in other areas is no impediment.
Given that the city is home to close to 200 nationalities, the extent to which one can communicate and interact with people from varying cultural backgrounds is an indispensable skill.
Not being able to monopolize an indispensable skill and thereby realize their interests at the workplace and through the market alone, workers in such industries needed unions capable of mobilizing mass solidarity across occupational boundaries.
Ultrasound (US) guided central vascular access is an indispensable skill for physicians.
I will go meta and say that an indispensable skill has been knowing how to get myself into my best creative mode.
The indispensable skills were oratory, eloquence.
It provides the indispensable skills of the lawyer.
These days, the indispensable skills of a globe-trotting artist are as much managerial as technical.
Staring was just one of the indispensable skills that were drilled into Cassidy and his comrades, years before, by Bill Django Jeff Bridgess), who vowed, "We must become the first superpower to develop super powers".
This strategy yields a shorter SAT while preserving its current strength in assessing two indispensable skills for academic success writing and mathematics.
