cháng / tú / lǚ / xíng / zhōng / fù / jià / shǐ / yuán / fù / zé / tí / xǐng / sī / jī / xiū / xi长途旅行中,副驾驶员负责提醒司机休息。During a long trip, the copilot is responsible for reminding the driver to take breaks.