Research shows that when we absorb information in order to teach it to someone else, we learn it more accurately and deeply, perhaps in part because we are engaging our social cognition.

研究表明，当我们为了把信息传授给别人而吸收信息时，我们会更准确、更深入地学习它，也许部分是因为我们正在参与我们的社会认知。

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Research also shows that wearing a uniform to work can slow down ageing - perhaps because it prevents more elderly staff from dressing according to their age.

研究也表明身着制服上班能有效延缓衰老-可能是因为年龄较大的员工的年龄被制服淡化的缘故。

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Perhaps surprisingly, it is Amazon, a big online retailer, that shows where things are heading.

让你想不到的是，能展示这一切发展前景的可能是在线零售商亚马逊。

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Yet it is Japan that perhaps shows this renewed relationship between economics and birthrates most clearly.

FORBES: America's Baby Bust: How The Great Recession Has Jeopardized Our Demographic Health

Perhaps that was largely serendipity, but it shows why opportunism can be a perfectly valid reason for a merger.

ECONOMIST: Building a new Boeing | The

One reason why the Cypriot bailout debacle matters - perhaps the main reason - is that it shows how far the eurozone is from the kind of solidarity which many believe essential to the currency union's long-term survival.

BBC: Cyprus and the eurozone's survival