就训练和练习来说，借助于计算机的自行规定速度的方法能使学生突飞猛进，不受全班学生互有矛盾需要的限制。 In terms of drill and practice, self-paced computer-assisted instruction enables the student to advance rapidly- without being limited by the conflicting needs of the entire class.
两性之间从来就有矛盾。 There has always been some conflict between the sexes.
