It is a private wrong (civil as opposed to criminal) resulting from a breach of a legal duty derived from society expectations regarding proper and improper interpersonal conduct.

• 它是一种私法意义上的不法行为(与刑事相对的民事行为),基于违反法律义务这一事实而产生,这种义务源于社会对有关正确或不正确的人际行为的预料。