It offers all the benefits of the traditional off-line multimedia titles (like text, graphics, sound, video, interactivity etc.) plus the extremely attractive distance learning features with real person-to-person interactivity, dedicated on-line services,
It offers all the benefits of the traditional off-line multimedia titles (like text, graphics, sound, video, interactivity etc.) plus the extremely attractive distance learning features with real person-to-person interactivity, dedicated on-line services,
它提供以除了传统线下多媒体教学所有的优点外，还提供十分吸引人的特性：如人与人的互动，线上服务，教师辅助等。