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。

youdao

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.

QA团队通过将包含测试计划、缺陷原因分析，和自动化测试的正式、可重复的过程，替代特殊的测试方法，以变得更加有效且高效。

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Our test activities are AD hoc and haphazard.

我们的测试活动是特定和不规则的。

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Among those surveyed, 19% of respondents who saw all three types of ads said they intended to take test drives, while only 9% of Nissan ad nonviewers planned test spins.

FORBES: Magazine Article

This means that advertisers could do things like automatically create scores of ad campaigns and test different ads on LinkedIn, or quickly change spending across LinkedIn and other social media outlets in real-time, LinkedIn says.

FORBES: LinkedIn Targets Ad Growth With New Ads API

The ad service remains in a test mode with a selected group of clients.

WSJ: Small Firms Say LinkedIn Works, Twitter Doesn't