原文:
3j) Puzzles must be clean, and must not have any markings, elevated pieces, damage,or other differences that distinguish any piece from a similar piece.
官方翻译:
3j) 魔方必须干净清洁,且不得有任何记号、不平整的块、损伤,或者其他的一些特别之处使得可以分辨相似的块。
that distinguish any piece from a similar piece.为定语从句,作为之前“any markings, elevated pieces, damage, or other differences”的定语。
所以并不是说markings, elevated pieces, damage, or other differences 不允许,而是说:“可以用以判断区分相似块”(定语)的“记号损坏不平整”不允许。