选用质优价高的燃料：要是让你的汽车改用生物油不可行，就购买贵一点但是有利于环境的质优价高的燃料。
Use premium fuel: If it is not possible to change the type of fuel your car can run on to bio, purchase the more expensive but environmentally friendly premium petrols.
安装人员会选择价高质优的产品以减少失败的风险（即自掏腰包重新安装设备）。
The installers will choose expensive, high-quality products to reduce the risk of failure (which would mean refitting the equipment at their own expense).
该功放看起来和感觉起来象一款质优但价高的产品。
该功放看起来和感觉起来象一款质优但价高的产品。
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