TSUMUGU · TOCFL 4 (est.) · 詞
自動
ㄗˋ ㄉㄨㄥˋ · zìdòng
adjective — automatic, self-acting; adverb — automatically, of one's own accord
故事 STORY — a scene to remember it by
沒人去碰，門（自）卻自己開了（動）。
No hand touches it, yet the door (自) moves (動) on its own.
記憶法