Is it a right structure? That which is a cat for a mouse is a stork for a frog. (I mean it is a similarly mighty enemy for it.) That which is cake for us is cheese for Joe. (It counts as a dessert for Joe.) Or should I say "what" instead of "that which"?
Top answer
Both are correct, and I'm sure that what is more common.
— Philip
Both are correct, and I'm sure that what is more common.
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