trade up

英 [ˈtreɪd ʌp]

美 [ˈtreɪd ʌp]

变卖（旧物）换进同类中更贵的东西

柯林斯词典

PHRASAL VERB 变卖(旧物)换进同类中更贵的东西
If someonetrades up, they sell something such as their car or their house and buy a more expensive one.
1. Mini-car owners are trading up to 'real' cars...
  迷你车车主们正变卖旧车换进“真正的”汽车。
2. Homeowners will feel more comfortable and they may feel ready to trade up.
  私房主会感到更安心，可能愿意变卖旧房购买更贵的房子。

双语例句

Moreover, defying concerns that the ensuing security clampdown would throw sand in the wheels of globalisation, world trade picked up speed again until the global financial crisis of 2008.
此外，当时人们曾担心，9/11后的严厉安全措施将妨碍全球化，但实际上世界贸易再度提速，直至2008年爆发全球金融危机。
Colin Currie, Adidas head for greater China, says that, even in poorer cities, consumers are eager to trade up to foreign brands as their income rises.
阿迪达斯大中华区负责人高嘉礼（ColinCurrie）表示，即便是在不那么富裕的城市，随着收入的增长，消费者也渴望提升消费档次，购买外国品牌的商品。
Of this total, the export of general trade was down by 4.8 percent, and that of manufacturing trade was up 4.9 percent.
其中一般贸易出口下降4.8%，加工贸易出口增长4.9%；
If trade looks up we may be able to have the shop painted next year.
假如生意景况有所改善的话，明年我们就能够将店铺重新漆一次了。
Here the certainty has been that the property market goes up, trade goes up and horses race on Wednesdays and Sundays.
这里说的稳定，是指楼市上涨，交易畅旺，每周三和周日照常举行骞马。
Both overall economic growth and trade picked up at first slowly, and then back to the pace of the 1990s boom years.
整体经济增长和贸易都出现回升起初步伐缓慢，随后便恢复到上世纪90年代繁荣时期的水平。
Trade up [ Home Purchase Scheme] Management and utilization of the public funds for buying books and reference materials in colleges and universities
换购物业〔自置居所资助计划〕高校公款购置图书资料的管理与利用
Since inter-eurozone trade makes up two-thirds of German exports, the incremental benefits of exporting outside the eurozone are no longer covering the loss in trade from Europe.
由于欧元区贸易占德国出口的三分之二，德国对非欧元区的出口增长不足以弥补欧元区内部贸易的下降。
I doubt they ( the Chinese) will send any gunboats around to "open" trade up.
我不信他们（中国人）会到处派遣炮艇去“开发”贸易。
First-time buyers saw them as a way to get onto the housing ladder, perhaps hoping to trade up to a house later.
首次购房者视公寓为跻身屋主阶级的捷径，或许他们还计划着几年后把公寓换成独栋住宅。