We offer old-for-new service.
本店有以旧换新服务。
From today on, any customer who wishes to Buy a camera here may produce his old one to serve as part of the payment for new one.
即日起，凡购买本店照相机，均可以旧换新。
Analysis of the Electrical Household Appliances Trade-in Subsidies Policy Based on Mathematical Models
家电以旧换新补贴政策的数理模型分析
Effect of Strategy of Using Used Ones for New One on Recycle Center Location without Recycling Market
无回收市场下以旧换新策略对回收中心选址的影响
needle exchange
ph.1. 针头交换处(为防艾滋病扩散,毒品注射者可将针头在该处以旧换新)
They trade in their car every four years.
他们每隔3年就以旧汽车贴换新车。
Did you get a good trade-in on your sewing machine?
你以旧缝纫机折价换新合算吗？
They trade in their car every three years.
他们每隔三年就以旧汽车贴换新车。
'%1' is stored in the old format. Converting to the new format ...
“%1”以旧格式存储。正在将其转换成新格式...
In the United States some people trade in their cars every three years.
在美国有些人每隔3年就以旧车折价换新汽车。
Second hand goods market will change riparian old City Square for a new business?
旧货市场将变滨水广场旧貌换新颜换出新商机?
They refuse to take my old car as part exchange for the new one.
他们拒绝接受我的旧车来折旧换新。
They refused to take my old car as part exchange for the new one .
他们拒绝接受我的旧车来折旧换新.
Accepting old equipment as a trade-in or extending especially good payment terms
让顾客可以用老旧产品换购新产品，或是提供特惠的付款方案
It's all very well for you to say you'll replace the old component with a new one, but where can you find out?
你可以说用一个新的部件把这个旧的换掉，但你到哪儿去找呢？
I'm just wearing this coat out so that I can have a new one sooner.
我正尽快把这件旧上衣穿够本，以便早一点换件新的。
conversion issue
更换债券发行(发行新债券兑换旧债券)
On"Promoting the New by the Classical"and "Paying Equal Attention to the New and the Classical"in Poetry;
论诗的“以旧促新”与“新旧并重”