题目

英语翻译
Shale gas is natural gas deposited in shale formation that is currently produced only in a handful of countries throughout the world,including the United States.The newly developed natural gas is often referred to as a game changer for its relatively cheap price,but the United States continues to strictly regulate its development,let alone its exports.
South Korea,the world's second-largest net importer of natural gas,seeks to expand its purchase of shale gas to 20 percent of its total imports by 2020.
In a joint statement dated May 7,Minister Yoon and Secretary Poneman said they noted the "important role that shale gas can play in promoting energy security and reducing greenhouse gas emissions."

提问时间：2020-10-31

答案

页岩气是贮藏在页岩地层的天然气,目前世界上仅有包括美国的少数几个国家开采.这种新兴气源因为其相对低廉的价格,被认为是能源结构的改变者,但美国还是继续严格控制其发展,更不用说出口了.南朝鲜作为世界第二大天然气...