From Longman Dictionary of Contemporary Englishtwo sides of the same cointwo sides of the same coinCONNECTED WITHtwo problems or situations that are so closely connected that they are really just two parts of the same thing Great opportunity and great danger are two sides of the same coin. → coin
Examples from the Corpus
two sides of the same coin• Kohl later said that German unity and European integration were "two sides of the same coin."two sides of the same cointwo sides of the same coinused to talk about two ways of looking at the same situation → two 