golf是不可数名词
football可以作为可数名词,用法如下:
[C] a large round or OVAL ball made of leather or plastic and filled with air
即当表示实际的足球时,为可数名词(一只足球,两只足球...)
[C] (always used with an adjective) an issue or problem that frequently causes argument and disagreement:
当表示容易引起争议的问题或事件的时候,为可数名词(一般与形容词连用)
例句Health care should not become a political football.