[译] 这是旅馆里唯一一间空房间。
[误] This is the only empty room in the hotel.

[正] This is the only vacant room in the hotel.
[注] empty (= with nothing or no one in it) 意为"空的"。如：It is an empty house. 那只是一幢空房子。vacant (= not occupied or filled, empty) 意为"空着的"、"未被占用的"。如：There were many vacant seats in the theatre. 戏院里有许多空座位。