the press would have a field day...怎么翻译呢

媒体忙活了一整天啊.
have a field day---忙了一天,痛快地玩了一阵子

have a field day 是固定词组，表示非常愉快。

the press would have a field day
新闻界（对此）很满意。

没有语境啊 可以理解为：媒体们又要忙活一整天了
或是：他们对此很很满意