Everything is a mystery, and the answer to a riddle is another riddle.
一切都是谜，一个谜的答案是另一个谜。
Beginning from today, I would like to give a riddle a day and invite all to guess the answer.
从今天开始，我将每日出一谜语并请所有网友猜一猜。
Who can think this question to put forward the standard answer to a riddle?
谁又可认为这个问题提出规范谜底？
Who can think this question to put forward the standard answer to a riddle?
谁又可认为这个问题提出规范谜底？
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