From Longman Dictionary of Contemporary Englishslice/share/piece of the pieslice/share/piece of the pie → pie
Examples from the Corpus
slice/share/piece of the pie• Virtually every academic institution, it seemed, wanted a piece of the pie.• Smaller capitalist countries are maneuvering to gain a bigger share of the pie.• That meant nearly one in five students was moderately to severely work-inhibited-a considerable slice of the pie. 