现在我们来播放一段莫扎特的作品，莫扎特他在晚年用了九年时间创作了这首交响乐
Now we'll play a passage of Mozart—a symphony by Mozart here that he wrote at the ripe old age of nine years.
现在，我们将在后面更详细地介绍这些概念。但是你应该知道，我不希望你只是拍摄在舞台上的舞者，然后把它当成你的银幕舞蹈项目来提交。
Now, we'll cover these concepts in greater detail later, but you should be getting the idea that I don't want you to just film dancers on stage and turn it in as your screen dance project.
老人转过来，更加和善对彼得说：“现在到桌子这儿来，和我们一起吃吧。”
More kindly, the old man then turned to Peter and said, "Come to the table now and eat with us."
但现在，我们有足够的知识来降低许多威胁早期人类生存的风险，并改善未来人类的命运。
But we are now knowledgeable enough to reduce many of the risks that threatened the existence of earlier humans, and to improve the lot of those to come.
他们现在都很擅长编写和发送电子邮件，但我们的培训师刚刚搬走，我们需要两三个志愿者来帮助居民们创建文件。
They're all now fine at writing and sending emails, but our trainer has just moved away, and we need two or three volunteers who can help the residents create documents.
加布里尔两年前是这门课的学生，当时我们来做这个项目的演讲，现在他是MAPP 项目的学生。
Gabriel was a student here in this class two years ago, when we came and presented on the program and he is currently a student in the MAPP program.
当我们曾经邀请世界上最聪明的人来这里安家时，我们现在却让他们离开。
While we once asked the brightest minds in the world to come and make their homes here, we now turn them away.
趁现在还来得及，我们先过过瘾，在有人来干涉我们之前再换回来。
We will have the happiness while we may, and change again before any come to molest.
现在一些专家提出，我们应该利用青少年的大脑对朋友在场的敏锐感知，并借助它来改善教育。
Now some experts are proposing that we should take advantage of the teen brain's keen sensitivity to the presence of friends and leverage it to improve education.
最终的潜在原因是近几十年来吃零食和外出就餐的次数增加，这不仅体现在其发生的频率上，还体现在其对我们整体能量摄入的影响。
The final potential cause is an increase in snacking and eating out over recent decades both in terms of how often they happen and how much they contribute to our overall energy intake.
虽然我们现在的水供给很充裕，因为我们现在有四种途径来获得水源，我们想让人们明白它的来之不易。
While we have ample supplies of water because of the four different sources of water that we now have, we do want people to realize that this don't come easy.
我们现在能做些什么来减少塑料污染呢？
“我们现在必须通过控制温度来确保它们不会继续繁殖，”他补充说到。
"We now have to make sure by controlling the temperature that they do not reproduce," he added.
现在，他用我们和计算机的关系来研究我们和其他人的关系。
Now he uses our relationships with computers to learn how we interact with each other.
对于每个规则，我们现在可以定义一组约束来应用到所映射的元素。
For each rule, we can now define a set of constraints to apply to the mapped elements.
由于我们已经获得了这些信息，现在我们有足够的信息来构建和运行样本应用程序。
With this information under our belts, we now have sufficient knowledge to build and run our sample application.
现在我们准备创建一个单向操作来将信息添加到我们的地址簿。
Now we are going to create a one-way operation for adding information to our address book.
现在我们对鸽子洞原理有了较好的理解，现在来是怎么运用的。
Now that we have a good grasp on the pigeonhole principle, let's see how it can be used.
现在我们来研究闭包的一些更刺激的方面。
您已经熟悉了一些用户修改命令；现在，我们来讨论组。
You're familiar with a few user modification commands; now, let's talk about groups.
现在，我们来探索一个功能更全的基于 REST 的API。
Now, let's explore an example of a more fully featured REST-based API.
现在我们要做的，就是把他们按现在我们要做的，照线性关系放到一起来。
But now what we are going to do is bring them in together sort of along the lines of this.
我们拥有最独一无二的文化现在我们明白文化是通过我们怎样做来创造的。
We have a specific culture. 'and now we understand that culture is created by what we do.
这就是我们用复数形式来描述弦理论，因为现在有各种不同的弦理论，试图来解释所有的问题。
That's why we speak of string theories in the plural, because there are several different string theories that attempt to make it all work.
下一场巨变(无论是什么)现在就已在形成，不是我们塑造它，就是它来塑造我们。
The next upheaval, whatever it may be, is taking form now. Shape it or be shaped by it.
后来我们考虑抛弃这个模型，但现在我们暂且用这个模型来做我们的程序。
Now later, we may decide to abandon this model, but for the moment let's accept that.
现在我们有很多商人带他们的客户来这里。
现在，你可能想知道，为什么我们要用SFTP来代替FTP。
现在，你可能想知道，为什么我们要用SFTP来代替FTP。
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