It can also save time, if it turns out (as it often does) that the only thing done with the node-set is to test whether it is empty, or to get the value of its first element.
它还可以节省时间，如果对于节点集的唯一操作就是测试它是否是空的(通常是这种情况)，或者对它的第一个元素进行赋值。
The time for testing and maintenance is invested when the developer first creates the asset and does not have to be redone with each new project utilizing the reusable assets.
当开发人员首次创建资产时就投入了测试和维护的时间，而无需对每个利用可重用资产的新项目重新进行此工作。
What time does the first train to Boston leave？
第一班去波士顿的列车什么时间开出呢？
What time does the first train to Boston!
第一班去波士顿的列车什么时间开出呢？
You see it when we meet the hero of the movie for the first time, and the hero does something nice, like save a cat, that makes us like him and want to go on the journey with him.
当在电影中英雄首次出现的时候，我们会看到（这样的场面），而且英雄总是会做一些令我们喜欢他的精彩之举，像救下一只猫，这使我们想和他一起经历冒险之旅。
After discussing it with my wife, I entered the race and proceeded to do what every first-time candidate does: I talked to anyone who would listen.
我在和我的老婆商量过后，加入了竞选竞争中，开始做任何一个第一次参加竞选的候选人该做的工作：我与任何愿意倾听的人交谈。
It is also very hard to navigate, thus it is best if a first time web designer does not upload any PDF files for reference in the website.
PD F文件也很难操作，所以，如果第一次设计网页的设计师在网站里没有上传任何PD F文件作参考是最好的。
The first iteration of the process does not have to be the ideal process; you can begin with the easier parts, and expand with each iteration over time to improve the process.
第一次流程迭代并不会产生理想的效果；您可以从比较简单的部分入手，然后在每次迭代中进行扩展，从而改善整个流程。
How does a car dealership get 72 percent of its first-time visitors to return?
一家汽车代理商是怎样使得他们72%的新顾客成为回头客？
If the manager really has learned from the venture and contributed to its success (being along for the ride does not count), she or he is the best kind of first-time entrepreneur.
如果这名经理真从企业中受益匪浅，并为企业的成功做出了贡献(混日子的当然不算)，那么他(她)绝对是第一流的初次创业者。
If a promising approach does not work the first time, it can be repeated, and if it continues to fail, other options will be readily available.
如果某一种有希望的方法第一次不奏效，它可以被重复尝试。如果一直失败，也会有其它选择待命。
Okay, refactoring does not pretend to be imposing radically new paradigms like object-oriented or aspect oriented programming when they appeared for the first time.
对，重构从一诞生之初，就从未放言像面向对象或面向方面编程那般会成为一种划时代的全新模式。
Be sure that the entry does not end with a space as this causes it to be ignored by Eclipse - it took me several hours to determine this the first time I used link files.
确认条目不要以空格结尾，因为这样eclipse会忽略它——我第一次用链接文件时用了好几个小时才弄明白这一点。
In a famous essay right after the Second World War, Time magazine founder Henry Luce referred to the twentieth century as the American century. To whom does the twenty-first century belong?
就在第二次世界大战后的一篇著名文章中，“时代”杂志创始人HenryLuce称二十世纪为美国世纪，二十一世纪属于谁？
If this is the first time anyone's ever tried to do this, does that make it a pilot project?
如果这是第一次有人曾经尝试这样做，那样会使它成为试点项目吗？
They may have to make a decision if IRS does not issue some guidance by the time they process that first payroll for next year.
如果在明年第一次发工资时美国国税局还没有出台相关准则，那雇主则不得不做出决定。
If the notice does not specify the obligation against which set-off is exercised, the other party may, within a reasonable time, acknowledge to the first party the obligation to which set-off relates.
如果通知没有指明行使抵销权的债务，另一方当事人可在合理的时间内向第一方当事人声明有关抵销的债务。
What time does the first train to Boston leave?
第一班去波士顿的列车什么时间开出呢？
However, the new rule does not cover people wishing to donate for the first time - the age limit for new donors will remain at 65.
当然，这一规定不适合那些第一次献血的人群，对第一次献血者的献血年龄仍然限制在65周岁。
Before each time is I opens the mouth with him to speak first, I decided that does not open the mouth with him to speak again, only if he speaks first with me.
以前每一次都是我先开口和他说话，我决定再也不开口和他说话，除非他先和我说话。
When you call a lawyer for the first time, how long does it take for him to return your calls?
当你第一次打电话给你的律师时，他多久回复你？
The first time does this article point out that agricultural development bank isn 't equal to agricultural policy financial institution.
本文第一次提出农业发展银行不等于农业政策性金融组织。
Is this your first time to apply for U. S. a visa? Does anyone or any agent help you do the visa?
这是你第一次申请美国签证吗？有人或者是其他机构帮助你申请吗？
It takes less time to write a clear message the first time around than it does to follow up to explain what you meant to say.
比起以后解释话中含义，第一次就清晰表达信息花的时间要少很多。
But he does remember going out to Nevada's Black rock Desert with his son for the first time in 2005 to witness a do-it-yourself rocketry event after he and his son began dabbling in model rockets.
但他的确记得，2005年，他和儿子开始摆弄火箭模型，他们随后第一次赶赴内华达州的黑岩沙漠，观看了一场DIY(自己动手)火箭盛会。
With our study, for the first time, we have the technology and the means to be able to investigate this. To see what happens at the end for us. Does something continue?
现在，随着研究的进展，我们有科技和手段来探究当我们生命画上句号时会发生什么，是不是还有某些事情在继续？
If the second travel schedule does not record the situation model at the former time interval, the situation model of the communication device is established according to the first travel schedule.
若在当时的时段中，第二行程表未记录情境模式，则依据第一行程表设定通讯装置的情境模式。
Often, she does not leave her shift on time due to the heavy workload and is usually the last one to leave the workplace, Her duties always comes first, and she never thinks of her own benefits.
早上客衣的洗熨服务全由她一人来完成，繁忙的收发工作几乎每天都不能使收发员工准时下班，她总是在工作全部完成后再离开岗位，且从不计较个人利益。
Often, she does not leave her shift on time due to the heavy workload and is usually the last one to leave the workplace, Her duties always comes first, and she never thinks of her own benefits.
早上客衣的洗熨服务全由她一人来完成，繁忙的收发工作几乎每天都不能使收发员工准时下班，她总是在工作全部完成后再离开岗位，且从不计较个人利益。
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