EnCana is hiving off its oilsands and refinery operations, which account for a third of its current assets, from its natural-gas business.是什么意思_EnCana is hiving off its oilsands and refinery operations, which account for a third of its current assets, from its natural-gas business.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句