dì tiě / zài / fēi gāo fēng / shí duàn / chē xiāng / lǐ / kōng dàng dàng / de / chéng kè / kě yǐ / suí yì / xuǎn zuò

地铁在非高峰时段车厢里空荡荡的，乘客可以随意选座。

During off-peak hours, the subway carriages are almost empty, and passengers can choose seats at will.