国际能源署周五表示，如果氢要成为大规模清洁能源的真正来源，
政策和直接投资需要与利益和言论相匹配，鉴于“顽固”的成本压力，预计项目将推迟。
英文原文如下：
Far more work needed to drive clean hydrogen uptake despite increase in projects, IEA says
Policy and direct investment need to match interest and rhetoric if hydrogen is to become a genuine source of large-scale clean energy, and project delays are to be expected given “stubborn” cost pressures, the International Energy Agency said Friday.
