For testing, you should grab a database dump of your production environment from a certain point in time so that you have something to test with.
为了测试，您应该从您的生产环境的某个时点抓取一个数据库转储，以便您拥有可以测试的数据。
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But the testing plan met with fierce protest from the dairy industry, which said that it could force farmers to needlessly dump millions of gallons of milk while they waited for test results.