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。
but that was precisely the idea adopted in some of the early instruments (seismometers) for recording earthquake waves.
但是早期记录地震波的仪器(测震仪)正是采用了这种思路。