这就是为什么近年来立法改革的多次尝试都以失败告终，这使得邮政服务无法支付账单，除非推迟重要的现代化进程。
This is why repeated attempts at reform legislation have failed in recent years, leaving the Postal Service unable to pay its bills except by deferring vital modernization.
可能需要多次尝试，但这件事值得坚持做下去。
It may take a number of attempts, but it is worth keeping at it.
毕昇经过多次尝试，发明了活字印刷术。
Bi Sheng invented the movable type printing after trying many times.
众所周知，中华人民共和国成立后，曾在1954年、1962年、1979年和2001年多次尝试起草民法典。
As we know, after the founding of the People's Republic of China, there were several attempts to draft a civil code in 1954, 1962, 1979 and 2001.
经过很多次尝试，从错误中学习，他才成功了。
He succeeded by trying many times and learning from his mistakes.
这意味着，要给伏特加一类酒拍照，需做200多次尝试。
This means that photographing something like vodka can take up to 200 attempts to get it right.
婴儿腰椎穿刺往往是困难的，可能需要多次尝试。
Infant lumbar puncture is often difficult and may require repeated attempts.
第三步，开始下载-这步可能有点慢或需要多次尝试。
Step 3. Start the download — it may be a bit slow-going or require a few tries.
经历了多次尝试之后，丹尼尔已经获得了许多工作机会。
After exploring numerous career options, Daniel opened up so many opportunities.
X说，过去二十年里他很多次尝试学着喝酒，但还是不行。
Mr. X said that over the past two decades he's tried many times to learn to drink but failed.
自1870年开始，吐温多次尝试写一本自传，但总是对结果感到失望。
Twain repeatedly tried to write an autobiography from 1870, but was always disappointed with the results.
在多次尝试失败后，英国人和俄国人终于推倒了其中两座堡垒。
The British and Russians managed to bring down two of the complexes after several failed attempts.
微软(Microsoft)曾多次尝试推出“平板”电脑，但成果极其有限。
Microsoft has made repeated attempts to introduce “tablet” computers with very limited results.
在多次尝试让她恢复知觉无果之后，医生宣布她于10点37分死亡。
After trying to resuscitate her multiple times, doctors declared her dead at 10:37 p. m.
萨拉·桑托城市委员会多次尝试取缔露宿街头，最终于2005年法院通过了一项法案。
Sarasota city council made several attempts to outlaw sleeping rough, finally finding a formula that passed muster with the courts in 2005.
经过多次尝试，我发现了列一个清单是最简单、最能避免小问题出现的办法。
Through trial and error, I have found that checklists are an easy way of making sure that even the smallest detail is taken care of.
他们曾多次尝试创造一种机器界面，以便能实现把人的思想转换为控制电脑或机器的指令。
There have been attempts to create machine interfaces before that aim to translate thoughts into instructions to control computers or machines.
这位百万富翁曾是一位股票经纪人，他多次尝试只身乘热气球环球旅行，但都以失败而告终。
The millionaire former stockbroker has made a series of failed attempts to fly solo in a balloon around the world.
詹姆斯·戴森经过5000多次尝试，才完成了如今举世闻名的双旋风真空吸尘器。
James Dyson had to try more than 5000 times before he perfected his now-famous, Dual Cyclone Vacuum Cleaner.
一般异步电动机起动电阻的计算方法，无论是作图法或解析法，往往都需要多次尝试。
As a normal calculation method for asynchronous motor starting resistance, whether diagram drawing or analytics, usually there should be many trials.
在这次之前，复赛特曾经多次尝试驾驶他的热气球征服世界，而且都冒着生命的危险。
Before this try, Forssett had already made various attempts to conquer the world, with the support of his life.
软件重用并不是一个新概念，多年来各种组织对此进行了很多次尝试，取得了不同程度的成功。
Software reuse is not new, and has typically been attempted many times over the years with varying degrees of success by development organizations.
方法中的系统资源利用率评价阶段通常需要多次尝试才能得到合适的测试组合，并得到期望水平的利用率。
This system resource utilization evaluation phase of the method usually requires multiple attempts at getting the right combination of tests that will achieve the desired level of utilization.
为满足非母语国家的人们使用英语交流的需要，先前人们曾多次尝试创编一种易学的英语版本。
There have been attempts before to produce an easy to learn version of English for the benefit of non-native speakers.
无论你歌唱的多么的糟糕，永远要有勇气去尝试，任何事情都是在多次尝试后才变地娴熟起来。
No matter how badly you sing, just give it a try! All things are difficult before they are easy!
无论你歌唱的多么的糟糕，永远要有勇气去尝试，任何事情都是在多次尝试后才变地娴熟起来。
No matter how badly you sing, just give it a try! All things are difficult before they are easy!
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