ソース:[1] The $540 Billion Oil Cliff: IEA Says Supply Could Vanish Without It (https://finance.yahoo.com/news/540-billion-oi ...)[2] The $540 Billion Oil Cliff: IEA Says Supply Could Vanish Without It - TradingView (https://www.tradingview.com/news/gurufocus:62 ...)[3] Decline in global oil and gas field output accelerating, IEA says - ZAWYA (https://vertexaisearch.cloud.google.com/groun ...)