在智能手机普及之前的时代，人们依靠纸质地图来指路。

In the ___days before smartphones, people relied on paper maps to navigate.

在数码摄影时代之前，冲洗胶卷是常事。

Before the ___days of digital photography, developing film was a common practice.

他常常深情地谈起他在伦敦当记者的那段日子。

He often spoke fondly of the ___days when he worked as a journalist in London.