for years, children in the industrial areas of europe and america seldom left their somky cities to see the beauties of the countryside.
hence, a few weeks spent"hosteling" can be just as useful a part of one's education as classes in school.
a first-hand contact with youths of other lands can be worth far more than lecutres or books when it comes to creating better understanding.
參考答案:这种情况已经有些年头了,在欧洲和美国工业地区的孩子们,很少离开他们被污染的城市去看美丽的乡村.
因此,每过几周就外出野营一次被当作是学校教育相当有必要的一部分.
对于环境的第一手感觉要比教科书上更生动更让人容易理解.
参考资料：English MAjor