A small, informal test with employees, friends, or actual shoppers can tell you whether your warranty is clear.

小规模，非正式的测试在员工，朋友，或实际购物者中就可以告诉你们，您的质保书是否明了。

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One informal test that some doctors use to check for COPD progression is to have you breathe while raising your arms over your head.

一些医生用来检查COPD进程时，做的一项非常规测试就是在把你的手臂抬过头时要你呼吸气，为什么呢？

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Also, I ran an informal performance test on all of the JAX-RS frameworks discussed using a sample RESTful service and an open source performance testing tool.

另外，我使用了一个样例RESTful服务和一个开源性能测试工具在所有这些JAX - RS框架上运行了一个非正式性能测试。

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In an informal test of solar lights carried out by The Economist in Africa, users grumbled about the soapy quality of light and lantern-style design.

ECONOMIST: Solar lighting

In a standardised test the informal private schools actually came out best, with an average mark of 59.5% in English, compared with 22.4% in the government schools.

ECONOMIST: Infrastructure is India��s biggest handicap

Employees are urged to wander from floor to floor, bounce ideas off one another and test out new products in the hope that such informal interactions will help spark collaboration, solve problems and generate new ideas.

WSJ: Looking for Ideas in Shared Workspaces