问题描述：
pretend happy when you are blue,it's not hard to do.
姹俷ate king cole镄勩€妏retend銆奶繖棣栨瓕镄勬瓕璇嶏紒
姹俷ate king cole镄勩€妏retend銆奶繖棣栨瓕镄勬瓕璇嶏紒
问题解答：
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