✔ 最佳答案
Actually, relation and relationship are the same,but
relationship在句子中有between或with
eg1.) relationship
What's the relationship between art and revolution?
藝術和革命之間有甚麼關係?
The police have a good relationship with local people.
警方和當地人民之間關係良好。
eg.2) relation
I saw a lot of my relation at the wedding.
我在婚禮上看到許多親戚。