yóu / yú / fù / zé / rén / cháng / qī / quē / wèi / zhè / xiàng / gōng / zuò / yì / zhí / méi / yǒu / jìn / zhǎn

由于负责人长期缺位，这项工作一直没有进展。

Because the person in charge has been absent for a long time, this work has made no progress.