Usually, a load test is recommended prior to a production go-livetest, which exercises the product for a specific set of use cases.
通常，推荐在进行生产上线测试之前先进行载入测试，将使用一组特定用例对产品进行测试。
2
By testing, I don't mean asking a few folks around the office; I mean doing a livetest that demonstrates-with hard figures-what site visitors actually do.
通过测试，我的意思并不是叫一些同事；我的意思是做个实况测试来说明站点访问者真正做了些什么。
3
Currently no practical livetest exists to check whether an apparently healthy, wild animal is actually incubating the sickness; only a brain sample will do.