On the Significance of Morlock's Wound

Slight sadness.

Shallow ink Luo Yi is a network term, which is common in screen names, pen names and so on. Literally, it refers to some kind of deep and weak sadness, but it is not sadness.

Shallow ink meaning: an expression of literati feelings; Without carving, it is simple and light ink; Compared with the rough pen, there are not many flowery words and the language is simple.