Wiktionary tells us that the origin of the expression "no strings attached" may date back to ancient times.
维基词典指出，“无附加条件”这一说法的起源可以追溯到古代。
The origins of glass date back to 3,500 BC but it wasn't until the Roman Empire, 2,000 years ago, that the art of glass-blowing and the practical uses of glass became more widespread.
玻璃的起源可以追溯到公元前3500年，但直到2000年前的罗马帝国，吹制玻璃的艺术和玻璃的实际使用才变得更加广泛。
Predecessors of the cowboy date back to colonial times.
牛仔的祖先可以追溯到美国十三州殖民地时期。
WHO model lists of essential medicines date back to 1977.
世卫组织基本药物标准清单可以追溯到1977年。
The caves date back to early Viking times in about 800 A.D..
这些洞穴可以追溯到公元800年的维京时代。
Pakistan's blasphemy laws date back to the colonial era.
巴基斯坦的亵渎神明法发端于殖民时代。
The stone circle is said to date back to 3200 BC and is a vision in itself.
它可以追溯到公元前3200年，是一处很独特的景点。
The Mid-Autumn Festival celebrations date back to more than 2,000 years ago.
庆祝中秋节可以向前追溯到2000多年前。
These games date back to the time of serial consoles, mainframes, and minicomputers.
这些游戏的历史可以追溯到串行控制台、大型机和小型机时代。
The thoughts of leisure aesthetics, abundant and rich, date back to antiquity in China.
中国的休闲美学思想发源很早，蕴藏丰富。
In Sanliurfa Province, outbreaks in backyard poultry are now thought to date back to late November 2005.
现认为在桑尼乌法省，后院家禽中的暴发始于2005年11月下旬。
He spoke highly of the friendly relations between the two old civilizations that date back to ancient times.
他高度赞扬中伊两个文明古国之间源远流长的友好关系。
This ancient custom is popular all over Derbyshire and is thought to date back to the Celts or even earlier.
这个古老的习俗在德比郡各处都十分受欢迎，据说起源于凯尔特人时代，甚至更早。
The castles which are today such an unmistakable feature of the Rhine landscape date back to the Middle Ages.
这些城堡可回溯至中世纪，如今显然已成为莱茵河的特色风光。
There is, of course, a long-standing history of whaling in Iceland, but the more recent issues date back to 2004.
然，冰岛的捕鲸历史由来已久，但最近的捕鲸活动是从 2004 年开始的。
Microsoft's forum contains 476 pages of complaints about lost and deleted e-mails that date back to early November.
从11月初至今，在微软论坛投诉邮件丢失和被删除的帖子达到476页。
Despite being denied planethood, asteroids are of interest to researchers because they date back to the early solar system.
尽管被拒绝当做行星对待，小行星还是引起了研究人员的兴趣，因为通过它们可一窥早期太阳系之貌。
Scientific wagers date back to Greece in the 5th or 6th century BC and were often a rhetorical device for thinking about a subject.
科学家打赌的历史可以追溯到公元前5、6世纪的希腊，那时打赌是一种用来刺激人们思考的手段。
Records of potato cultivation date back to 2500 BC, when the indigenous Aymara Indians farmed it in modern-day Peru and Bolivia.
种植土豆的记载可以追溯到公元前2500年，那时勤劳的艾马拉族印第安人就在现在的秘鲁和玻利维亚种植土豆了。
Consequently, just cannot help looking up into the night sky — oh, last time I did that could date back to last year's Mid-autumn.
于是不由得抬头仰望——上次这样看夜空应该还是去年的中秋。
The source of detective novels in our country can date back to the prison stories that emerged in Chunqiu and Warring States Period.
我国侦探小说的源头可追溯至春秋战国时期出现的案狱故事。
Nottingham has about 500 sandstone caves, many closed to the public, Walker said. The caves date back to early Viking times in about 800 A.D..
沃克说：“诺丁汉市大约有500个砂岩洞穴，许多遗址已禁止游客观光。这些洞穴可以追溯到公元800年的维京时代。”
The Big Bang model of cosmology rests on two key ideas that date back to the early 20th century: General Relativity and the Cosmological Principle.
宇宙学中的大爆炸模型可以追溯到20世纪初的两个核心思想：广义相对论和宇宙学原理。
As Geoffrey Robertson and Andrew Nicol explain in their excellent book Media law, England's defamation laws date back to a statute created in 1275.
就象杰弗里·罗伯逊和安德鲁·尼科尔在他们的绝佳著作《媒体法》中解释的那样，英国的诽谤法可追溯到1275年制定的一个章程。
The finds date back to between 151m and 164m years ago, which suggest they are older than archaeopteryx, previously thought to be the oldest undisputed bird.
新发现的动物化石可追溯至1.51亿至1.64亿年前，这表明它们比以往所公认的世界上最早的鸟类——始祖鸟(archaeopteryx)——还要古远。
The finds date back to between 151m and 164m years ago, which suggest they are older than archaeopteryx, previously thought to be the oldest undisputed bird.
新发现的动物化石可追溯至1.51亿至1.64亿年前，这表明它们比以往所公认的世界上最早的鸟类——始祖鸟(archaeopteryx)——还要古远。
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