An implicit comparison of unrelated items that share a similar characteristic.
In Act 1 HIGGINS [becoming excited as the idea grows on him]..Never lose a chance: it doesn't come every day. I shall make a duchess of this draggletailed guttersnipe.
In Act 5 HIGGINS I tell you I have created this thing out of the squashed cabbage leaves of Covent Garden; and now she pretends to play the fine lady with me.
In Act 1 HIGGINS [becoming excited as the idea grows on him]..Never lose a chance: it doesn't come every day. I shall make a duchess of this draggletailed guttersnipe.
In Act 5 HIGGINS I tell you I have created this thing out of the squashed cabbage leaves of Covent Garden; and now she pretends to play the fine lady with me.