US oil producers cut back on price hedges this year in a bet that energy markets would rally again, a move that has left them suddenly vulnerable after turmoil in the banking sector knocked down the price of crude.
美國石油生產商今年削減了價格對沖，押注能源市場將再次反彈。在銀行業動蕩壓低原油價格后，此舉令它們突然變得脆弱。
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