定义

proven: 经过验证或证实的 adjective
(The exercise) proved to be (easy): (这些练习)被证实是(简单的) verb
  • "In order to improve our organization's reputation for service, here are some proven customer service guidelines that I have found particularly beneficial"
  • "Dinosaurs , which were proven to be much smaller than scientists originally thought."
  • "For example, the Mediterranean diet, which includes small portions of high-quality foods low in saturated fat, has proven to be much more healthy than the American diet, for example."

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