Zhè / duàn / huà / yǐ / jīng / hěn / qīng / chu / le / zài / jiā / shuō / míng / jiù / shì / chuáng / shàng / ān / chuáng

这段话已经很清楚了，再加说明就是床上安床。

This passage is already clear, so adding more explanation would be needless duplication.