vital affinity的意思|示意

Whether you are in the video game business, the education business, or the parenting business, it's vital to understand why kids have such an affinity for interactive software.

无论你是从事电视游戏业务，还是从事教育，或身为父母，理解孩子们为何与产生相互交流关系的软件如此亲密无间是尤为重要的。

However, to fortify literary nationality, we have to practise affinity to the ordinary people, because affinity to the populace is the essence and vital source of nationality.

而要加强民族性，就必须强化人民性，因为文学的人民性是其民族性的精髓与活力源泉。