modus operandi [ˌməʊdəs ɒpəˈrandiː, -dʌɪ] (pl. modi operandi ˌməʊdi)
[usu. in sing.]a particular way or method of doing something, especially one that is characteristic or well-established 做法,工作方法;一贯做法 every killer has his own special modus operandi. 每一个杀手都有自己惯用的手法。 ■the way something operates or works 运作方法