- (formal)
connected with the relationship between two things, where one causes the other to happen 因果關系的；前因後果的；原因的 the causal relationship between poverty and disease 貧窮與疾病的因果關系
- causal conjunction/connective (
grammar 語法 a word such as because that introduces a statement about the cause of something 表示因果關系的（連接詞，如 because）
Word Originlate Middle English (as a noun denoting a causal conjunction or particle): from late Latin causalis, from Latin causa ‘cause’.