One great way to combat the waste of old school coupon clipping would be for Yahoo to offer a mobile version complete with scannable bar codes.
如果雅虎可以推出一款带有可检测条形码的手机版网站，那将会大大减少老式优惠券带来的浪费问题。
The architect has also developed a prototype for a supermarket of the future, and a motion-activated heating system designed to combat energy waste.
建筑师还研发了一个未来超级市场的蓝本，和能够利用运动追踪的控温系统，以避免能源浪费。
The architect has also developed a prototype for a supermarket of the future, and a motion-activated heating system designed to combat energy waste.
建筑师还研发了一个未来超级市场的蓝本，和能够利用运动追踪的控温系统，以避免能源浪费。
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