I'd like to start by mentioning the research of American sociologist Mark Granovetter in 1973.
首先我想介绍美国社会学家马克·格兰诺维特在1973年的研究。
Hello, I am Mark. I am American. Are you Chinese?
你好，我是马克。我是美国人。你是中国人吗？
Mark Serreze, director of the American National Snow and Ice Data Center (NSIDC) in Colorado, thinks that sea level rise is going to be a bigger and bigger problem, as we move through the 21st century.
美国国家冰雪数据中心（NSIDC）位于科罗拉多州，其主任马克·塞雷泽（Mark Serreze）认为，随着我们进入21世纪，海平面上升将成为一个越来越大的问题。
The American heart Association adorns certain products with a "heart check" mark.
美国心脏协会用一个“心部裂纹”的标记装饰某种产品。
Does it mark an astonishing American victory, snatched from the jaws of defeat?
是否标志着美国的巨大胜利，功败垂成？
Approval of the sale would also mark a significant change of tack by Israel, which has often swayed American politicians against bolstering Arab arsenals.
这个军售案的批准也将标志着一个明显的变化-以色列的转向，以色列在过去经常指使美国政客反对那些支持对阿拉伯国家军售的军火商。
In an essay six years earlier, he had already attacked by name the most famous American funnyman of all, Mark Twain.
早在六年前，他就已经在一篇文章中指名道姓地抨击了美国最为著名的“幽默作家”——马克•吐温。
Undermining that effort, on Thursday American accounting standard-setters watered down a mark-to-market provision that would have forced banks to value their assets at market prices.
破坏这个努力的事件是：周二美国会计标准制定者淡化了一项迫使银行将其资产价值达到市场价格的按市值计价条款。
"It's a problem," admits Mordecai-Mark Mac Low, an astronomer at New York's American Museum of Natural History. Or, rather, it was a problem - but Mac Low and his collaborators may have solved it.
纽约美国自然史博物馆的天文学家马克·麦克卢承认这是个麻烦的问题，但现在我们可以说它曾经是个问题，因为麦克卢和他的同事已经解决了这个问题。
With his unkempt hair and drooping moustache, he looked much like that other great American pessimist, Mark Twain.
蓬头乱发、胡子耷拉，他与美国另外一位伟大的悲观主义者马克-吐温极其相似。
Lincoln, no less than Mark Twain, forged what we think of today as the American style: forthright, rhythmic, muscular, beautiful but never pretty.
正如马克•吐温一样，林肯铸就了我们今天认为是美国风格的东西：直率，有节奏性，强壮，美丽而不仅仅是漂亮。
So far so good, despite mark-to-market losses on the securities it acquired bailing out Bear Stearns and American International Group.
到现在为止, 一直都还不错，尽管它承担了救援贝尔斯登和美国国际集团在有价证券上市值计价的损失。
Samuel Langhorne Clemens more commonly known by his pen name Mark Twain was a great American author.
萨缪尔·兰亨·克莱门是一位伟大的美国作家，他的笔名马克·吐温更为人熟知。
In most American hearts, Mark Twain is a great famous writer.
在大多数美国人的心目中，马克·吐温是最著名的作家。
This year he was awarded the Kennedy Center's Mark Twain Prize for American Humor.
今年，他获得了肯尼迪艺术中心马克。吐温美国幽默奖。
Mark Dopp of the American meat Institute, the main lobbyist for meatpackers, says that the industry has simply evolved to be more efficient.
美国肉类协会是肉制品加工商的主要代言人。该协会的马克•多普认为，与过去相比，该行业只是效率提高了而已。
As one of the great masters of American literature, Mark Twain was renowned for his ability to cast a spell over readers with his words, wit and wisdoms.
作为美国文学巨匠之一，马克·吐温像对读者施了咒语，以他的言辞、机智和智慧著称于读者。
These regional rankings might also break down the insularity that has long been a mark of Latin American academia.
类似的区域排名，也可能打破一直成为拉美学术界桎梏的典型观念。
In the best American spirit, Mark and Connie are active neighbourhood people.
马克和康妮秉承美国人的优秀品质，他们都是热心的社区人士。
That time lowered the 12-year-old mark set by American great Michael Johnson (19.32), a record many people thought could not be broken.
这打破了由了不起的美国运动员麦克尔.约翰逊保持了12年之久的19秒32的记录。许多人都认为那个记录是不可能被打破的。
ALL modern American literature comes from one book by Mark Twain called ‘Huckleberry Finn’.
欧内斯特·海明威这样写道：“美国现代文学的开端，始于马克·吐温的一本书——《哈克贝利·费恩历险记》。”
In the meantime, the Harvard Mark 1, a computer produced by an American team, appeared in 1944 and is still occasionally cited as the first of its kind.
在这期间，由一个美国团队制造的一台计算机，HarvardMark1，出现于1944年，现在仍然偶尔被人引用为第一台计算机。
American observers from Walter Laqueur, an academic, to Mark Steyn, a conservative polemicist, argue that Europe is fast becoming a barren, ageing, enfeebled place.
美国的观察者，从学者Walter Laqueur到保守的善辩者Mark Steyn认为欧洲在很快变成不育，年迈，衰弱的地方。
Mark Rothko is the modern American artist the British love best.
马克·罗斯科(Mark Rothko)是英国人最喜爱的现代美国艺术家。
When they are gone you may still exist , but you have ceased tolive. (Mark Twain , American writer)
当幻想没有了以后，你还可以生存，但是你虽生犹死。
When they are gone you may still exist , but you have ceased tolive. (Mark Twain , American writer)
当幻想没有了以后，你还可以生存，但是你虽生犹死。
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