causal
adjective formal uk/ˈkɔː.zəl/ us/ˈkɑː.zəl/
causal relationship, link, etc. 因果关系（联系等）
a relationship, link, etc. between two things in which one causes the other
Is there a causal relationship between violence on television and violent behaviour? 电视暴力和暴力行为之间有因果关系吗？