Definition: a connection between two or more things Level: B2
这本书和电影之间几乎没有关系。
There was little ___relation between the book and the movie.
另一个缺点是空间和时间之间的关系。
Another drawback is the ___relation between space and time.
饮食和健康之间的关系是众所周知的。
The ___relation between diet and health is well-known.
