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。
Modern machines can make the copy bigger or smaller, lighter or darker and copy onto both sides of the paper.
代机器可以放大、缩小、制作较亮的或较暗的复印件,也可以在纸的两面复印。