And the gills should have a nice bright red color, and should not be grey, or dark brown, or even missing.

鱼鳃的色泽要鲜红，不可以发灰，发暗褐，甚至鱼鳃缺失，完全不知去向。

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"I never felt like something, or even more the father figure, was missing, " he said.

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It could be defects due to missing atoms, thermal vibrations of the crystal lattice, or even the boundaries between small, imperfectly formed crystals that make up the material.

ECONOMIST: MONITOR