zhè / sōu / huò / chuán / kōng / zài / fǎn / háng / yǐ / biàn / jǐn / kuài / zhuāng / yùn / xià / yī / pī / huò / wù

这艘货船空载返航，以便尽快装运下一批货物。

The cargo ship returned empty so that it could quickly load the next shipment.