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A teacher should be good at drawing inferences about other cases from one instance.

老师要善于举一反三。

《新英汉大辞典》

“We need to encourage more creativity,” explained Hua Guohong, a chemistry teacher. “We should learn from American schools.”

“我们需要鼓励更多的创造性”，化学老师华国宏（音）解释道，“我们应该向美国学校学习”。

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Drawing input from 3, 000 classroom teachers, the project highlighted several measures that schools should use to assess teacher performance, including test data, student surveys and assessments by trained evaluators.

WSJ: Bill Gates on the Importance of Measurement