求一篇网上在线学习利与弊的英语作文答:Compared with the traditional classroom, it seems a shortcut to knowledge. 但是它也有自己的弊端,最明显的,没有面对面交流学习效果难保证, 而且未成年人心智发展不成熟,注意力不集中,必须有家长监督,While, it also has disadvantages, the most obvious is that, the efficiency will not be ensured without...