In fact, you can use PPC to test everything from your product offerings and price points to your AD headlines and sales copy.
实际上，你可以用付费点击广告测试所有的东西。从产品的品种和价格，到广告标题和广告辞。
2
A QA team can become much more effective and efficient by replacing an AD hoc testing approach with formal, repeatable processes that include test planning, defect cause analysis, and automated tests.