You can use a juice drink with sugar instead of cranberry juice, because pure cranberry juice can't be eaten without super much sugar, which is especially sour.

Metropolitan Cosmopolitan cocktail tastes sweet and sour, suitable for ladies to drink, belonging to the Martini series. Originated in 1987, a man named John Kane spread from Ohio to all parts of San Francisco. It is the winner of the American Cocktail Grand Prix in the last century and appeared in the TV series Sex and the City. It is the heroine's favorite cocktail.