reworks

Due to miswork in previous stages, they still need to do rework even after flooring.

于程的瑕疵，现在地板铺好了，还要返。

He had done most of the writing and rewriting himself, reworking key passages again and again.

大部分的写作与修改作都他自己完成的, 并一再修改了主要的段落。