玛丽埋头研究一个新的剪裁花样。

Mary was lost in the details of a new sewing pattern.

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在过去的几十年中，我们埋头研究人类工作效率的驱动因素。

For the past few decades we have buried ourselves in research into the drivers of human performance.

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车轮是埋头研究，测试和审核，许多著名的科学家，工程师和官员，在未来的4年。

The wheel is intensely examined, tested and scrutinised by many notable scientists, engineers and officials over the next 4 years.

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