随着如今的影响力、沟通以及公关活动能够被方便地测量，企业将发现公关将比以往更容易衡量。
With the ability to easily measure influence, traffic and PR campaigns today, businesses will see that PR is easier to measure than ever before.
如果我们改变生活方式，以生活质量而不是消费为基础，以幸福指数而不是GDP来衡量，就更容易安排了。
It would be a lot easier to arrange if we changed our lifestyles to ones based on quality of life rather than consumption, measured by a happiness index rather than GDP.
通过追踪从用例到业务用例、特性需求、测试，或者甚至其它用例，你可以更容易地衡量相关需求的变化所带来的影响，并验证覆盖率。
By tracing use cases to business requirements, feature-level requirements, tests, or even other use cases you can more easily measure the impact of change on related requirements and verify coverage.
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