There is no longer much to be made from coal after so many years of mining it from the hills, while forestry work has died out locally and the price for bamboo has sunk. Meanwhile, the traditional sideline raising animals, which was never worth much, cannot compete with large-scale stockbreeding.
深藏內山的煤礦經過多年挖掘，早已沒有多大的經濟價值；木業凋零、竹價低落，零星而規模小的畜養副業，賣不了多少錢，也競爭不過外地大規模的養殖業……。