The fact that small grocery stores have mostly been replaced by larger supermarkets and chains /shows /how much more challenging it is today to establish a small-scale business. It to 가주어?용법으로 etablish a small-scale business is how much more ~ today. 로 해석되는게 맞나요?? 구럼 왜 how much가 앞으로 나왓죠? 걍 강조 한건가..?