Originally, it was very popular in the region of Sichuan and Chongqing, but later it has spread all over the country and become favored by the whole nation.
火锅最初是在四川、重庆一带流行，后来变成了全国人民都喜爱的美食。
Low price has led to rapid growth in natural gas demand and to a supply shortage in the Sichuan-Chongqing region.
川渝地区天然气价格低廉，使得该地区天然气需求量增速迅猛，市场供需缺口加大、矛盾突出。
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