1The researcher's groundbreaking paper was indispensable to the development of modern quantum mechanics.
2Is it true that a university education is indispensable for securing a well-paying job in today's economy?
3Her expertise in marketing proved indispensable in helping the startup company navigate a crowded market.
4The new employee found the company's mentorship program indispensable in her transition to a leadership role.
5There is a growing consensus that emotional intelligence is indispensable in effective team management and leadership.