Irena shook her head, but in bewilderment, not negation.
艾丽娜摇了摇头,是出于困惑,而非否定。
《柯林斯英汉双解大词典》
2
According to the IRENA (the International Renewable Energy Agency) , by just using 2% of our coastlines, we can produce 4,383 TWh of ocean power each year, enough to meet 4% of the world's electricity needs.