Children and teens with a cold or flu should not take aspirin for pain relief because of the risk of Reye syndrome, a rare but serious condition of the liver and central nervous system.
患有感冒或流感的儿童和青少年不应该服用阿司匹林来缓解疼痛，因为这会有雷氏综合症的风险，雷氏综合症是一种罕见但严重的肝脏和中枢神经系统疾病。
Such a move is rare, but not unprecedented.
这样的举动少见，但并非从来没有过。
It is not rare that major roads are choked with traffic in rush hours.
在交通高峰期，主要道路出现交通堵塞的情况并不少见。
Nowadays, it's not rare to see people post photos of luxury goods on the internet.
如今，人们在网上发奢侈品照片的现象并不少见。
Now, it is not that bronze was all that rare in Greece then, it is just that bronze was valuable and could easily be recycled.
现在，并不是说青铜在当时的希腊很罕见，只是青铜很有价值，容易回收利用。
It's rare, but it's not disappearing.
它很稀有，但它并没有在消失。
A flashing set of healthy and clean, regular 'pearly whites' was a rare sight in Victorian society, the preserve of the super-rich (and even then, dental hygiene was not guaranteed).
在维多利亚时代，一副闪闪发亮的健康、干净、整齐的“珍珠白”牙齿是非常罕见的，只有超级富豪才能拥有（即便如此，在那个时代，口腔卫生无法得到保证）。
When the night comes, occasions are not rare when the citizens are entertained by the performers in Sichuan Opera.
夜幕降临时，市民们可以去四川剧院观看表演进行娱乐。
It is not rare for the neatherd's boy nowadays to bear the name of Arthur, Alfred, or Alphonse.
如今的牧童大多都以Arthur，Alfred或Alphonse 为名。
Experts state that the occurrence of the high temperature this week is rather rare, though not unprecedented.
专家表示，本周所出现的高温现象虽然不是史无前例，但也相当罕见。
Because of my great rare value, I need not attempt to imitate others.
因为这独特而又巨大的价值，我不需要去模仿他人。
It is rare, though not unheard of, to have a quake followed by a larger aftershock.
一次地震后接着发生更强的余震，这虽不是前所未闻，但确实罕有。
All this has enabled Indian firms to take advantage of a rare, if not unique, set of market conditions.
所有这些都让印度企业能够充分得益于一系列稀有的市场条件。
But white tigers are rare genetic mutations, not a different species.
但白虎仅仅是一种罕见的遗传变异，而不是一个不同的品种。
Gag orders at this stage in the proceedings are rare, though not unprecedented.
虽说并非史无前例，但进展到这阶段下达禁令实属罕见。
Since this is rare, this should not be an issue in most situations.
因为这很少出现，所以这在大多数情况下应该不是问题。
Though for most organisms the sudden appearance of new resistance is rare, this is not the case for all pathogens.
尽管对于大多数生物而言，突然出现新耐药性的情况很罕见，但也不是说所有病原体都如此。
The fund now reckons these conditions are not all that rare.
现在基金组织指出这些条件并不是非常难以满足。
Such conspiracy theories are not rare in Asia.
像这样的阴谋论在亚洲并不罕见。
"It is rare but not impossible for someone to be rich and holy," he said one day.
“一个人既富有又圣洁虽然极少但也不是不可能的事。”一天大师说道。
This book is not just rare; it's unique.
这本书并不仅仅是罕有；它是唯一。
And while we ran our fingers over recycled glass block and eyed bamboo-sheathed columns we couldn't help but notice the luxurious addition of some rare and not necessarily sustainable materials.
当我们注意到了建筑上可循环玻璃砖和用竹鞘保护起来的石柱，又不禁会问这些稀有而并不实用的材料是否真的有必要用？
Such trainings are not a rare thing, the gunnery range works all year round.
这样的训练不是什么稀罕的事情，靶场全年都处于使用状态。
These days, interagency cooperation was not only rare, it was illegal.
近一段时间，单位间的合作不仅罕见，而且违法。
Though they are rare, finding one would not normally cause much of a stir.
不过磁星很罕见，发现一个不至于引起太大轰动。
Though they are rare, finding one would not normally cause much of a stir.
不过磁星很罕见，发现一个不至于引起太大轰动。
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