wéi / xiū / rén / yuán / jīn / tiān / huì / lái / gēng / huàn / bàn / gōng / shì / lǐ / de / jiù / dēng / guǎn维修人员今天会来更换办公室里的旧灯管。A maintenance worker will come today to replace the old fluorescent tubes in the office.