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Why buy a cow when you can get (the) milk for free
who would keep (a|the) cow when he may have a bottle of milk for a pennywhy buy (a|the) cow when milk is (so|) cheapwhy buy a cow when you can get (the) milk for free
01
used to suggest that it is better to take advantage of what's already available than to make unnecessary investments without weighing the costs and benefits
Proverb
