wǒ / men / mǎi / le / gé / yè / huǒ / chē / piào / zhè / yàng / néng / shěng / yī / wǎn / de / zhù / sù / fèi

我们买了隔夜火车票，这样能省一晚的住宿费。

We bought overnight train tickets to save the cost of one night's accommodation.