a component or accessory added to something after it has been manufactured
the act of adding a component or accessory to something that did not have it when it was manufactured
造句
用作名詞(n.)
Investing in, for instance, retrofitting buildings to make them more energy-efficient would create far more jobs. 例如，為建筑翻新投資，使建筑更有效用能，講創(chuàng)造更多的工作。
Retrofitting existing buildings in the United States to be more energy-efficient is a lot harder than building green ones in China from scratch. 在美國翻新現(xiàn)有房屋更加高效節(jié)能，但對于中國從零開始更為容易。