资料来源 : pyDict

对

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Versus \Ver"sus\, prep. [L., toward, turned in the direction of,
   from vertere, versum, to turn. See {Verse}.]
   Against; as, John Doe versus Richard Roe; -- chiefly used in
   legal language, and abbreviated to v. or vs.