lóu céng cuò le ， bù zhǐ shì duō zǒu jǐ bù ， yǒu shí huì wán quán zhǎo bú dào chuāng kǒu

楼层错了，不只是多走几步，有时会完全找不到窗口。

Getting the floor wrong means more than just walking a few extra steps; sometimes you can't find the window at all.