学弹钢琴不容易，你非得下功夫不可。
Learning to play the piano isn't easy. You have to work at it.
如果没有对地球科学的了解——关于风、风暴、气象学的知识，他们甚至不可能起步。
They wouldn't even have been able to get started without earth science understanding—knowledge about wind, storms, meteorology.
如果有关法律的研究正在逐渐成为普通教育不可缺少的学科之一的话，那么它的目的和方法应该能直接吸引新闻学教育家的眼球。
If the study of law is beginning to establish itself as part and parcel of a general education, its aims and methods should appeal directly to journalism educators.
这个方法帮了我很大的忙，我必须意识到我的孩子还只是孩子——他们不可能是完美的，他们对很多事情是不了解的，因此值得他们学的东西有很多很多，而我就是他们的老是。
This is something that helps me a lot. I remember that my kids are just kids -they are not perfect, they do not know how to do things, and they have a lot to learn.
然而不管做什么，受灾都不可避免，因为地震工程学中总有不确定性。
But no matter what you do, you will have damage. There is uncertainty in earthquake engineering.
教这个男孩学什么东西都是不可能的，因为他无法理解任何指导。
It was impossible to teach the boy anything, because he simply did not understand any of the instructions.
早期我得到另外一个经验就是：华尔街一切如旧——也不可能会有什么新事物——因为他就是一门古老的投机学。
Another lesson I learned early is that there is nothing new in Wall Street. There can't be because speculation is as old as the hills.
其他研究人员称，不可能对此类工程学提案进行成本效益分析，因其潜在的负面效果是不确定——而且严重的。
Other researchers say that it is impossible to do a cost-benefit analysis of these engineering proposals because the potential downside is so uncertain - and large.
事实上，正如我在别的文章所提到的，经济学不可避免缺乏精确，我们只能理解部分经济现象。
In fact, as I argued elsewhere, economics is inevitably inexact and we only understand part of the phenomena.
包括了他不可思议的解剖学的结构图。
作为一名老年病学研究人员，珀尔斯研究过许多对长寿有影响的因素，而且他还是承认长寿不可能仅与基因有关的第一人。
As a geriatric researcher, Perls has studied many factors that contribute to longevity, and he is the first to acknowledge that living longer isn't likely to be simply a matter of genes.
法语和德语的埃及学著述及出版物数量庞大，因而这两门语言的学习必不可少。
The amount of Egyptology literature and publication in those languages makes the learning of French and German a must.
误诊是不可避免的，有了这种认知，我们就可以从统计学的角度来理解这种智慧，而且医生们对待病人也不用像审犯人一样。
Knowing that false positives are inevitable gives a statistical perspective to that wisdom - and frees the doctor from having to interrogate the patient like a criminal suspect.
他强调，要制造魔术的幻象，对化学、电学、光学和机械学的广而深的研习是必不可少的。
He stressed that wide and deep study of chemistry, electricity, lighting and mechanics was needed to create illusions.
体重增加的原因来自方方面面：情绪、生物学、社会、心理、环境——这诸多原因不可能由一粒简单的胶囊解决掉。
The causes of weight gain can be emotional, biological, social, psychological, environmental — and these multiple factors don't fit into a neat capsule.
虽然还未能准确解释这种现象发生的原因，但他们确信染色体拓扑学的理解对研究基因组来说是必不可少的。
Though unable to explain exactly why this happens, they're convinced that understanding chromosomal topography is absolutely essential to understanding the genome.
因为从营养学角度来看对身体有益的食物通常并不可口美味。
What is beneficial to the body from a nutrition standpoint is usually not what is experienced delicious by the tongue.
说真的，你们能愿意学英语专业，新批评派功不可没-，我必须承认，尤其是去私立学校读英语专业。
Seriously, you're English majors because of the New Criticism — I admit, especially if you went to private school.
孟德尔和马库斯·弗莱明在国际货币基金组织共同开发了另一个对促成货币联盟形成同样重要的概念——“不可能的三位一体”，这一观点进入了经济学教科书。
Equally important to the decision to join a monetary union was another of Mundell’s insights, developed with Marcus Fleming at the International Monetary Fund, which entered the economics textbooks.
恢复视力曾经被认为是不可企及的目标，但是由于技术、遗传学、脑科学和生物学的进步，这一目标也有了实现的可能。
Advances in technology, genetics, brain science and biology are making a goal that long seemed out of reach - restoring sight - more feasible.
当然，物种分类学不可能一步到位，以前曾被归为是同一物种的生物，按新的定义就有可能就被修正2个物种。
Taxonomists do not always get it right first time, of course, and what looked like one species may rightly later be seen as two.
当然，物种分类学不可能一步到位，以前曾被归为是同一物种的生物，按新的定义就有可能就被修正2个物种。
Taxonomists do not always get it right first time, of course, and what looked like one species may rightly later be seen as two.
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