拉链齿没有损坏，师傅说只换拉头就能修好，不必整条更换。
The zipper teeth are not damaged, so the repairer said that replacing only the zipper puller would fix it and the whole zipper would not need to be replaced.
The zipper teeth are not damaged, so the repairer said that replacing only the zipper puller would fix it and the whole zipper would not need to be replaced.