Only thing is, next time, in a crucial case, you better call some older doctor in consultation—not that you need his advice, but it makes a hit with the family, it divides the responsibility, and keeps ’cause from going around criticizing.
There are no more uses of "crucial" in the book.
Show samples from other sources
Doing well on the SAT is crucial to getting into the college I want to attend.
The information is crucial to making a good decision.