It was pointed out, however, that there was evidence that liquidity was a major challenge for natural gas markets in the light of the prevalence of long-term contracts in the industry and the lack of adequate regasification facilities.
然而，有人指出，有证据显示由于天然气行业普遍存在的长期合同以及缺乏足够的再气化设施，该市场的流动性问题是一个重大挑战。