Solving problems requires targeted measures, not a blanket approach.
Tips
history
From the 《三国志·魏志·华佗传》 biography of the legendary physician Hua Tuo. Two officers with identical symptoms were given opposite treatments - one a purgative, one a sweat-inducer - because their underlying conditions differed. Both recovered.
usage
Medical literal to general figurative. Now mostly used about management, teaching, policy - anywhere that a one-size-fits-all approach would fail and a diagnosis-specific one works.
