同时，他注意到，提高教师素质的教育支出能得到比其本身多很多倍的回报，因为能达到相关性较少的很多方面。

And, he notes, education spending that improves teacher quality pays for itself many times over because it achieves so much for so relatively little.

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通常把系统测试环境配置成能反映产品环境复杂性的，并且尽可能在最小规模上达到。

A system test environment is generally configured to reflect the complexity of the production environment at the smallest possible scale.

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“试验性”结果显示，只有一小部分的五岁幼儿能达到或者持续超越所有早期学习阶段的目标。

The "experimental" results show that only a fraction of five-year-olds achieved all the early learning goals or consistently worked beyond them.

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