不管是否需要你回顾还是重新查看一些旧代码，都要多写一些测试用例，甚至推迟截止日期也要这么做。
Whether you need to double back and revisit some old code, write some more test cases, or even delay a deadline — do it.
场景映射到测试用例也是多对一的关系。
Scenarios map to test cases also in a one to many relationship.
对于功能验证测试，用例与测试用例的比率将是一对多。
The ratio of use cases to test cases will be one-to-many for the Function Verification test.
现在市场上已经有多种的多模式浏览器，其中一些提供免费的试用版本，参见参考资料。
Numerous multimodal browsers exist in the market, some of which offer free trial versions (see Resources).
尽管还处在试用阶段，但已有1000多万人准备使用谷歌新的社交网络服务Google +。
MORE than 10m people have already signed up for Google +, the new social-networking service from Google, even though the site is still in beta form.
尽管还处在试用阶段，但已有1000多万人准备使用谷歌新的社交网络服务Google +。
MORE than 10m people have already signed up for Google +, the new social-networking service from Google, even though the site is still in beta form.
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