我应该向我的高中老师表示感谢，没有他们的帮助我不可能取得如此巨大的成功。
I should convey my appreciation to my high school teachers, without whose help I wouldn't achieve such a big success.
计算机投票系统不可靠，因为它还没有达到稳定的状态。
Computerized voting system is not reliable because it has not reached a stable status.
互联网、手机和飞机都是人们日常使用的技术，如果没有数学和科学专业的学生发明它们，这些技术进步是不可能实现的。
The Internet, cell phones and airplanes are all technological advances that people use everyday and would not be possible without students of math and science inventing them.
那里不可能有任何植物或动物，因为没有阳光，没有能源来制造食物。
There couldn't be any plant or animal life since there's no sunlight, no source of energy to make food.
今天没有风，所以那不可能是风的声音。
There isn't a wind today, so you see it couldn't have been the wind.
现实情况是，如果没有家庭、朋友、学校和社区的帮助，那么几乎不可能找到机会。
The reality is that finding opportunity without help from families, friends, schools, and community is virtually impossible.
“你永远不可能到达山顶，”每个人都这样说，“从来没有女人爬过这座山，只有少数人独自做到了。”
"You will never make it to the top," everyone said, "no woman has ever climbed this mountain and only a few people have done it by themselves."
因此，在1836年出版的一本关于他的南美之旅的书中，威廉·史密斯这样抱怨他的助手经常“遗弃”他的行为：“没有他们，我就不可能继续前进。”
In an account of his journey across South America, published in 1836, William Smyth thus complained of frequent "desertion" by his helpers: "Without them it was impossible to get on".
如果没有语言，我们就不可能登上超越所有其他动物、甚至超越大自然的顶峰。
Without language, we could never have embarked on our ascent to unparalleled power over all other animals, and even over nature itself.
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.
艾尔、蒂珀、希拉里和我相互了解，如果没有那些漫长的乘车时间，这样的了解是不可能达到的。
Al, Tipper, Hillary, and I had gotten to know one another in a way that would have been impossible without those long hours on the bus.
在第四种情况下，几乎没有其他选择并且很难进行更改，伙伴关系可能是不可避免的。
In Type 4 situations, where there are few alternatives and change is difficult, partnerships may be unavoidable.
这个故事讲述了一个叫弗罗多·巴金斯的霍比特小矮人给我们的启示就是：没有什么是不可能的。
The story of one little hobbit named Frodo Baggins gives us a very truthful message that literally nothing is impossible.
如果早期的太阳比现在的太阳暗淡，也没有现在这么炙热的话，那么液态水就不可能在这两个星球上存在。
If the young Sun was much fainter and cooler than the Sun today, liquid water couldn't have existed on either planet.
有一段时间，这一理论被认为是不可检验的，主要是因为没有足够精确的冰河时代的年表与轨道的变化相匹配。
For sometime this theory was considered untestable, largely because there was no sufficiently precise chronology of the ice ages with which the orbital variations could be matched.
两者都是必不可少的，没有一个是优于另一个的；它们互不冲突反而相辅相成，各有其本身的职权范围。
Both were essential and neither was superior to the other; they were not in conflict but complementary, each with its own sphere of competence.
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.
通过收购实现全球扩张通常代价高昂，而通过内部增长实现扩张则非常耗时；在那些没有积极增长的市场上，实现扩张有时甚至是不可能的。
Global expansion through acquisition is usually expensive, and expansion through internal growth is time-consuming and sometimes impossible in markets that are not actively growing.
哈福德认为，一些不可避免的干扰往往会让日常待办事项列表变得没有效率，而在这样的列表中留出即兴发挥的空间可以收获最佳效果。
Harford argues that inevitable distractions often tender the daily to-do list ineffective, while leaving room for improvisation in such a list can reap the best results.
很长一段时间以来，心理学家一直在与那些指责他们没有从事“真”科学的指控作斗争——这在很大程度上是因为许多经典实验的发现已被证明不可再现。
Psychologists have been battling charges that they don't do "real" science for some time—in large part because many findings from classic experiments have proved unreproducible.
不可避免的事情发生了：你失去了耐心，要么对你的孩子大喊大叫，要么说了些有点过于严厉、对任何人都没有好处的气话。
The inevitable happens: You lose your patience and either scream at your kids or say something that was a bit too harsh and does nobody any good.
因为那里完全没有阳光，所以不可能有光合作用的生命，但像在地球深处蓬勃生长的微生物之类的生命可能仍然存在。
Photosynthetic life is impossible there because sunlight is completely absent, but life such as the microbes that flourish deep within earth may still be possible.
他们指出，如果没有电梯，市区就不会有摩天大楼，也不可能有城市生活。
Without the elevator, they point out, there could be no downtown skyscrapers or tall buildings, and city life as we know it would be impossible.
没有失败，就不可能有进步。
没有他们的支持，我不可能走到今天。
Without their support, I wouldn't be able to make it here today.
没有他们的帮助，我不可能取得这么大的成功。
It's impossible for me to get such great success without their help.
没有她的帮助，我的发音不可能提高这么多。
Without her help, I couldn't improve my pronunciation so much.
没有他们的帮助，我们不可能取得这么大的进步。
我们都知道，如果没有食物和水，离开沙漠似乎是不可能的。
As we know, it seems impossible to leave the desert without food and water.
我已经证明了我是一个斗士，没有什么是不可能的！
I have proved I am a fighter and that nothing is impossible!
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