你可能在开始之前就有挫败感。
莱尔的进化方法本质上是受限制的，因为地球早在生命和进化开始之前就存在了。
Lyell's evolutionary approach is intrinsically limited because Earth existed long before life and evolution began.
甚至在学期开始之前，他所有的课都已经满了，因为许多渴望学习的学生已经预定了。
All of his classes were all full even before the semester began because many students who were eager to learn already booked in.
回收部分的最后一步与加热和制浆的生产过程的最后一步相似——在循环再次开始之前。
The last step in the recycling section is similar to the last step in the production process with heating and pulping—before the cycle begins again.
但在开始之前，我想让你们花点时间思考一下：有谁知道，当今美国最流行的房子样式是什么吗？
But before we get started, I want you to take a moment to think: does anyone know what the single most popular style for a house in the United States is today?
鉴于在研究开始之前，大部分人说他们宁愿逐渐减少吸烟量直到戒烟，因此这个戒烟率是特别可信的。
The quit rates were particularly convincing given that before the study started, most of the people had said they'd rather cut down gradually before quitting.
鉴于在研究开始之前，大部分人说他们更愿逐渐减少吸烟量直到戒烟，因此这个戒烟率是特别可信的。
And the quit rates were particularly convincing given that before the study started, most of the people had said they'd rather cut down gradually before quitting.
在每个阶段中，您必须在下一个阶段开始之前，通过执行一个或多个微迭代来实现一个主要的里程碑。
Within each phase, you must achieve a major milestone via the execution of one or more micro iterations before the next phase can begin.
除了生命损失的悲剧之外，加利福尼亚的事故甚至在太空旅游尚未真正开始之前就给它的未来蒙上了一层阴影。
On top of the tragic loss of life, the accident in California will cast a long shadow over the future of space tourism, even before it has properly begun.
"这本书将详细地介绍有关小冰河时期和其它气候变化的研究过程，但是，在我开始之前，让我先介绍一下历史背景。
This book will provide a detailed examination of the Little Ice Age and other climatic shifts, but, before I embark on that, let me provide a historical context.
在电影开始之前，每个女士都应邀吃点小吃。
Before the film began, each woman was asked to help herself to a snack.
在新学期开始之前制定一个计划对我们来说是非常重要的。
It's very important for us to make a plan before a new term begins.
游戏开始之前，你应该伸展你的四肢。
Before playing a game you should stretch your legs and arms.
他在12节开始之前，他祷告。
在开始之前，首先需要设置服务器。
But before you can get started, you'll need to set up the server to run the show.
在开始之前，需要安装Perl。
我开始之前，他们只是排在数据库里。
在开始之前，您需要一个电子表单模板。
在开始之前，检查您的系统中的必备软件。
Before you jump in, though, check that you have the necessary prerequisite software on your system.
在我们开始之前？
然而，在开始之前，我们通常认为要改就要长期改。
Yet we often psyche ourselves out of getting started by mentally thinking about the change as something permanent — before we’ve even begun.
这两个示例开始之前的提交开销是大约295MB。
士兵可以在进攻开始之前绕过拐角，深入探测楼层内部。
Soldiers could look around corners or inside buildings before launching an attack.
在开始之前，您可能希望看一个说明本网站的3分钟动画。
Before you start, you might like to see a 3 minute cartoon which explains the site.
在审判开始之前，扎伊迪声称他在拘押时遭到殴打和折磨。
Prior to the start of the trial, Zaidi claimed he had been beaten and tortured while in custody.
但是在开始之前，需要确保配备开发插件所需的正确环境。
But before we get started, we need to ensure that we have a proper environment in which to develop plug-ins.
但是在您开始之前，您需要了解这个集成的先决条件是什么。
But before you get started, you need to know what the prerequisites are for this integration.
开始之前，确保已经下载了本文下载小节中提供的示例代码。
Before you start, make sure you have downloaded the sample code provided in the Downloads section of this article.
在开始之前，了解本教程的讨论内容、先决条件和系统要求。
Before you start, read about what is covered in this tutorial, prerequisites, and system requirements.
在开始之前，了解本教程的讨论内容、先决条件和系统要求。
Before you start, read about what is covered in this tutorial, prerequisites, and system requirements.
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