[译] 住宿舍比住旅馆便宜得多。
[误] It is much cheaper to live in a lodging than in a hotel.

[正] It is much cheaper to live in lodgings than in a hotel.
[注] lodging作“宿舍”解时，须用复数；lodgings指向别人租借的一间或几间住所；即使是一间，也要用复数。又如：My lodgings are only one room. 我的宿舍只有一个房间。