https://online2.tingclass.net/lesson/shi0529/0008/8458/1793.mp3
https://image.tingclass.net/statics/js/2012
今天我們要學(xué)的詞是trade-in. Trade-in 是以舊換新的意思。Apple plans to launch an iPhone trade-in program, encouraging consumers to upgrade to the iPhone 5. 蘋果公司計劃啟動蘋果手機以舊換新的項目,以鼓勵消費者把舊蘋果手機升級到第五代。An elementary school in California will sponsor a toy-gun trade-in program, encouraging kids to swap their toy weapons for a chance to win a new bike. 美國加州的一所小學(xué)將組織玩具槍以舊換新的活動,鼓勵孩子上繳玩具武器,參加這項活動的孩子都有機會贏得一輛嶄新的自行車。好的,今天我們學(xué)習(xí)的詞是 trade-in, trade-in, trade-in...