求下面这句话英语译汉语

问题描述:

求下面这句话英语译汉语
The purpose is to offer the public more chances to deepen a sound appreciation of what they have learnt,although information and knowledge can be obtained through books or television programs.我没弄明白.a sound appreciation.这个部分

目的是向公众提供更多的机会来全面深刻地评价他们所学的知识,尽管信息和知识可以从书本以及电视节目中获得.appreciation这里用作什么讲呢?哪个可以用作“评价”讲呢?appreciation?