The new supermarket is really going to clobber the small local shops.新超市确实会使当地的小店铺蒙受巨大的经济损失。A big supermarket can usually undersell a small local store.大型超市的售价常常可以低于当地的小店铺。Big supermarkets can undercut all rivals, especially small family-owned shops.大型超市售价可以低于所有竞争对手，尤其是那些商业街上的小店铺。