The quality of communication is increased drastically because testers can show the problem (and the events leading up to it) to the developer as opposed to just describing it and the need to replicate test failures will cease to exist in many cases.
可以大大提高沟通质量，因为测试人员可以向开发人员展示问题（以及导致问题的事件），而非仅仅描述问题。多数情况下不再需要一次次去重复测试失败。