对于评论，问题或者难题，可以到论坛留言。
For any remark, question or PageRankoblem, you can leave a message on the forum.
描述你是如何解决这个难题或者回答这个问题的？
Describing How You Solved the Problem or Answered the question.
特别是被问到难题或者尴尬的问题时，回答者会满脸通红，有时还会红到耳根和脖子。
Particularly when asked a difficult or embarrassing question, the person may blush, with redness appearing across the face and sometimes into ears and down the neck.
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