在那些日子里，男孩们过去常穿短裤。

___In ___those ___days, boys used to wear short trousers.

在那些日子里，生活比现在艰难得多。

___In ___those ___days, life was much harder than now.

在那些日子里，人们乘坐马车旅行。

___In ___those ___days, people traveled by horse and carriage.