求翻译：Of the many approaches to teaching and learning, however, perhaps the most flexible and accommodating is that called distance learning. Distance learning is an educational method which allows the students the flexibility to study at his or her own pace to achieve the academic goals which are so necessary in today’s world. The time required to study may be set ally, the student may enroll in distance learning courses from virtually any place in the world, while continuing to pursue their chosen career. Tutorial assistance may be available via regular airmail, telephone, teleconferencing and over the Internet.是什么意思？

待解决 悬赏分：1 - 离问题结束还有