zhè / xiē / jiù / wén / jiàn / yǐ / jīng / méi / yǒu / yòng / le / yīng / gāi / jí / shí / huǐ / qì

这些旧文件已经没有用了，应该及时毁弃。

These old documents are no longer useful and should be destroyed and discarded promptly.