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

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