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1·Nicknaming is an expressive technique of art in the literary creation.

绰号是文学创作中一种富有表现力的艺术手法。

2·Initials: This is basically the default version of nicknaming these days, which is a sad state of affairs.

首字母：这几乎就是现在绰号的默认形式，这种状态让人很是悲哀。