trade places

(US)change places

(美)更換地方

trade down (或 up)

sell something in order to buy something similar but less (or more) expensive

為購(gòu)買價(jià)格更低或更高的類似物而出售

trade something in

exchange a used article in part payment for another

以舊物折價(jià)貼換同類新物

she &B{traded in} her Ford &B{for} a Land Rover.

她把舊福特車折價(jià)添錢買了一輛“陸虎”越野車。

trade something off

exchange something of value, especially as part of a compromise

（尤指作為讓步而）交換某物

the government &B{traded off} economic advantages &B{for} political gains.

政府以犧牲經(jīng)濟(jì)利益來(lái)?yè)Q取政治好處。

trade down

To trade something in for something else of lower value or price

出售…以換取：賣掉某物以購(gòu)入低價(jià)值或低價(jià)格的其它東西

bought a new, smaller car, trading the old one down for economy.

為了節(jié)約，賣掉了舊車買了一輛更小的新汽車

trade in

To surrender or sell (an old or used item), using the proceeds as partial payment on a new purchase.

以（舊貨）抵購(gòu)（新貨）：放棄或賣掉（一舊的或用過(guò)的物品），將所得款項(xiàng)用作一購(gòu)入物品的部分賬款

trade on

To put to calculated and often unscrupulous advantage; exploit

利用：獲得精心策劃且通常無(wú)恥的利益；利用

children of celebrities who trade on their family names.

利用他們家庭名望的名人后代

trade up

To trade something in for something else of greater value or price

以（舊貨）換購(gòu)更高價(jià)值的物品：賣掉某物以購(gòu)入高價(jià)值或高價(jià)格的其它東西

The value of our house soared, enabling us to trade up to a larger place.

我們這房屋的價(jià)值上揚(yáng)，使得我們可以賣掉它購(gòu)買一個(gè)更大的地方