Our friendly staff offers proven results on all cleaning services.

我们的工作人员提供了友好的证明，结果对所有清洁服务。

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After 15 years of proven results, we know that Jack is worth his salt.

从15年来的实际业绩，我们知道杰克是个称职的人。

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It will begin, however, by citing the proven results of world-class environmental and energy management.

然而，通过引用世界水平的环境和能源管理的被证实的结果，它将要开始。

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The charity aims to invest in projects with "proven results" in tackling child poverty.

BBC: Mayor sets up child poverty fund

Finding affordable job search resources with proven results is critical to finding and winning a new job quickly.

FORBES: Critical Job Search Tools for the Unemployed

Such proven results are the product, in contrast to the Tiger Mother, of the ministrations of the Manatee Father.

FORBES: For Amy Chua: Song of the Manatee Father