Why is it so difficult to take that first step?
为什么迈出第一步如此困难？
Why is it so difficult to please both moviegoers and fiction fans?
为什么满足影迷和小说迷的需要是如此的困难呢？
So again I ask myself, why is it so difficult to install one of these seats?
所以我再一次问自己，为什么安装一个座椅如此困难？
But if that's the case, if trading is so easy, then why is it so difficult to master?
但是如果交易如此轻松，为什么如此难掌握？
"It is difficult to know why this relationship occurs - for example, stress, genes - so more work needs to be conducted on the exact mechanism underlying it," he said.
“很难理解为什么会发生这样的联系——也许是压力，基因——所以目前尚有大量的工作需要处理以找出准确的深层机制，”他认为。
Making it happen is what counts, and this is the difficult bit - which is why so many seemingly clever schemes fail.
重要的是让想法付诸实施，而这很困难——这正是那么多看似更聪明的计划落空的原因所在。
To grasp why it is so difficult for IT firms to stay on top, picture the computer industry as a never-ending enterprise to create digital “platforms”, both large and small.
为了理解为什么IT公司极难保持领先，我们可以把电脑工业想象成一个永无止境的行业，一直在创造有大有小的数字“平台”。
The point is that the cacophony of analysis helps to explain why policymakers react in different ways to the same crisis and why it is so difficult for them to come up with co-ordinated action.
关键在于，分析上不和谐的声音，有助于解释政策制定者在同一场危机中，为何采取了不同的对策，以及他们达成协同行动为何如此困难。
Subsequent chapters explain why so many individuals find it so difficult to forgive, and why holding onto grievances is really a decision to suffer.
随后的一张解释了为什么有很多个体发现要你宽恕一个人真的很难，为什么会有没办法原谅他人的理由，为什么抱怨回事痛苦的来源。
Art Jahnke, in his 2004 article entitled, " Sound Off - Why is Business-IT Alignment So Difficult?
Art Jahnke，在2004年的文章“ 意见陈述——业务-IT的对齐为何如此之难?”
I remember 2036 very clearly. It is difficult to describe 2036 in detail without spending a great deal of time explaining why things are so different.
2036年在我的记忆中很清晰。如果不花上大量时间的话则很难详细解释清楚2036年为什么有如此多的不同。
But why it is so difficult for so many people to quit smoking and do not smoke any more.
但是为什么对那么多人想要戒烟，而且不再去吸烟会那么困难？
We all know how difficult it is to scratch that itch on your back that your hand just aren't flexible enough to reach, so why would you want to scratch some random person's smelly back?
我们都知道想要给后背挠痒是件很麻烦的事，因为手臂没有那么灵活，那么你为什么还要偶尔给别人的后背挠痒呢？
Listening comprehension is the key to the command of any foreign language. That's one of the reasons why it is so difficult to learn on your own.
外语支配能力的关键是听力理解。这是为什么听力自学非常困难的原因之一。
This perhaps explains why it is so widespread and so difficult to remove from the pig environment.
这也许解释了猪细小病毒分布广泛和很难从养猪环境中根除的原因。
From a purely economic point of view, it is difficult to understand why the market should be particularly sensitive to these specific levels and not, even if less so, to levels nearby.
从纯经济学角度来看，我们很难明白为什莫市场对这些汇率水平，而不是其他接近的水平有这样大的反应。
If the Earth's magnetic pole reversal caused by biological extinction, it is not difficult to explain why from time to time, so that the periodic destruction of the Earth civilization.
假如地球磁极逆转而造成生物大量灭尽，那就不难表明为何每隔一段时间，使地球文明周期性的毁灭。
That's one of the reasons why it is so difficult to learn on your own.
这是为什么听力自学非常困难的原因之一。
Listening comprehension is the key to the command of any foreign language. That '; s one of the reasons why it '; s so difficult to learn on your own.
听力是掌握任何一门外语的关键，这也是它为什么自学起来如此困难之原因所在。
Maybe it is time to adopt a new strategy in trying to figure out1 why life today is so difficult, and what can be done about it.
为什么今天的生活如此艰辛？做些什么才能摆脱生活的艰辛？采取一种新的策略来搞清上述问题，或许是时候了。
'It is difficult to understand why I am so famous,' Ms. Li said. 'I never thought I wanted to be an actress.
李冰冰说，“搞不清楚为什么自己这么出名，我从来没想过当演员。”
'It is difficult to understand why I am so famous,' Ms. Li said. 'I never thought I wanted to be an actress.
李冰冰说，“搞不清楚为什么自己这么出名，我从来没想过当演员。”
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