种族主义是一种已存在了数千年的根深蒂固的偏见。
Racism is a deeply rooted prejudice which has existed for thousands of years.
最后一段有一个年代错误。宗教裁判所那时已不复存在了。
The last paragraph contains an anachronism. The Holy Office no longer existed at that time.
这个舒适的工作环境已经不复存在了。
这使人们确信天文周期已经存在了数十亿年。
It assures that the astronomical cycles have been in existence for billions of years.
它只存在了几年。
当你得知我们所知道的餐馆只存在了几个世纪，你可能会感到惊讶。
It might surprise you to learn that restaurants, as we know them, have only existed for a few centuries.
例如，当美国在1848年获得新墨西哥的主权时，大草原就已经存在了。
For example, the Rio Grande pueblos already existed when the United States acquired sovereignty over New Mexico in 1848.
虽然我们不知道这其中有多少是真实的，但可以肯定的是，丝绸栽培在中国已经存在了几千年。
While it is unknown just how much of this is true, it is certainly known that silk cultivation has existed in China for several millennia.
根据最近的一项调查，尽管网上零售已经存在了大约20年，但近一半的网上零售商仍然没有收到满意的消费者反馈。
Although online retailing has existed for some twenty years, nearly half of the internet retailers still fail to receive satisfactory feedback from consumers, according to a recent survey.
人类对时间的执念——对其的节省、玩弄、浪费、丧失及掌控——似乎是人性的一部分，人类存在了多久，执念就存在了多久。
An obsession with time, saving, gaming, wasting, losing and mastering it, seems to have been a part of humanity for as long as humans have existed.
这并不意味着我的待办事项清单已经不存在了，但我越来越意识到慢下来的重要性，并确保我在进行每天的活动时，能享受这一过程。
It doesn't mean that my to-do lists no longer exist, but I've become more aware of the importance of slowing down and making sure that I enjoy the daily activities as I carry them out.
过去的直接威胁不复存在了，欧洲的安全状况有重大改善。
The immediate threat of the past has disappeared and the security situation in Europe has significantly improved.
这堵曾经被用来分隔这座城市的水泥墙现在差不多不存在了。
The concrete wall that used to divide this city has now all but gone.
“螳螂签证”在此之前就已存在了。
它在那里已经存在了350多年。
电动汽车已经存在了超过一百年。
Electric vehicles have been around for more than a hundred years.
我之前已经把它们存在了我的银行账户里。
如果冰继续融化，有一天北极熊可能就不复存在了。
If the ice keeps becoming water, one day there might not be any polar bears.
你太习惯于它们的存在了。
但是界限基本不复存在了。
它已经存在了几百年了。
界限基本不复存在了。
那些光线之外的宁静的世界远远退去，不再存在了。
The quiet world outside their rays receded far away and ceased to be.
这次坍塌还摧毁了一座澡堂和在悬崖上存在了数百年的马赛克。
The collapse also ruined a bath house and mosaics that had been in the cliff for many hundreds of years.
现在关于这个遗址的一个谜团是，考古记录表明，它只存在了几个世纪。
Now, one mystery regarding this site is that archaeological records show it was inhabited for only a few centuries.
莱尔的进化方法本质上是受限制的，因为地球早在生命和进化开始之前就存在了。
Lyell's evolutionary approach is intrinsically limited because Earth existed long before life and evolution began.
这几个物种已经在我们的地球上存在了数百万年，但是官方称2018年它们已经陆续灭亡。
They had been on our planets for millions of years, but 2018 was the year several species officially died off forever.
显然，过度捕捞已经使这里的鳕鱼不复存在了。而曾经很强大的纽芬兰船队现在在海底疯狂地搜寻螃蟹。
It had, apparently, been fished out of existence; and the once mighty Newfoundland fleet now gropes about frantically for crab on the seafloor.
人类对时间的执念——对其的节省、玩弄、浪费、丧失及掌控——似乎是人性的一部分，人类存在了多久，执念就存在了多久。
An obsession with time, saving, gaming, wasting, losing, and mastering it, seems to have been a part of humanity for as long as humans have existed.
这些同时出现的挑战似乎没有那么势不可挡。对于一个存在了几个世纪的问题——如何让电力变得便携——它们给出了越来越好的答案。
Those simultaneous challenges appear less overwhelming with increasingly better answers to a centuries-old question: how to make power portable.
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