这些辅助工具虽然不同，但由于它们的便利性，即使是当今社会上受过最良好教育的人们也仍在使用它们。

Such aids, while different, are still used even by the most educated in today's society due to their convenience.

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例如，不良事件虽然非常罕见，即使在大型临床试验中也很难出现，但在为大量人群接种大流行性流感疫苗时却可能变得很明显。

For example, adverse events too rare to show up even in a large clinical trial may become apparent when very large Numbers of people receive a pandemic vaccine.

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帐篷虽然很华丽，但是即使对最短的背包旅行来说都实在太重、太大了。

While this tent is slick, it is entirely too heavy and bulky for even the shortest backpacking trip.

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Whereas we all know that the universe is of a certain kind-- -- we can't even call it Copernican anymore-- poetry has this odd preference for Ptolemaic astronomy.

虽然我们都知道宇宙是怎样的-,现在即使哥白尼的理论也不完全正确了-,但是诗歌偏爱托勒密的宇宙观。

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