现在，测试不同广告效果的线上研究组使用这套系统有目的地建起的网站。
At present the system is being used on purpose-built websites with, for instance, online research groups testing the effect of various display ads.
不错。我认为我们在作出最后的选择之前应先设计不同的广告在不同的大众媒体上测试效果。
That's true. I suppose we produce alternative ads that are pre-tested in different kinds of media before a final choices is made.
我曾跟女儿测试过这款设备，结果发现它的效果与广告说得一样出色。
I've tested this device with my daughter, and found it to work exactly as advertised.
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