Their after-sales service was just so bad that I decided to never buy anything from that shop again.
他们的售后服务太差了,所以我决定从此不再能家商店买东西。
I'm very sorry. Usually I'm very careful. I have never lost a book before. It won't happen again.
“很对不起。通常我是非常小心的。我以前从来没有丢过书。这样的事不会再发生了。”