We are trying to give people a way to drive their testing scenarios via a large data set. Say for example you've written the following test in Twist
我们正努力给大家提供一种方式，通过大型数据集驱动测试场景。
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DBUnit is about maintaining database integrity across test runs (and in fact you can use DBUnit as part of the set up and tear down of your tests in Twist).
You put tea leaf and hot water into first part of "Tea-time", twist the timer to set the steeping time and the ready tea slowly trickles down to the bottom beaker.