oil pierces the $70-a-barrel barrier and natural gas prices quadruples ever since the late 1990s.4563
问题描述:
oil pierces the $70-a-barrel barrier and natural gas prices quadruples ever since the late 1990s.4563
答
油价突破70美元每桶、天然气价格从20世纪90年代末涨了四倍.