在清单1的范例中，显然您必须这样做。
In the example in Listing 1, it's fairly obvious that you have to do this.
您必须这样做，因为需要把文件复制到插件项目中，然后才能执行其他操作。
You must do this because you want to copy the files to your plug-in project before you do any more work.
这样做的原因是，对于当前产品，您必须在开发时选择绑定。
The reason for this is that, with the current products, you must choose the binding at development time.
然而在可以这样做之前，您必须先进入DataGridPropertyEditor对话框的paging页面并且启用allow paging选项。
Before you can do that, however, you should first go to the paging page of the DataGrid Property Editor dialog, and check the allow paging option.
但是在您这样做之前，您必须先了解一下操作范围的概念。
But before you do that, you must learn about the concept of action scopes.
您并不是必须要这样做，但这是一种很好的做法。
要这样做，您必须挂载您的根（/）分区并编辑该文件。
To do so, you must mount the root (/) partition and edit the file.
虽然当您解决一个微不足道的问题时设计会成为一个额外的仪式，但是您至少必须知道就是应该这样做的。
While design can become an extra ceremony when you are solving a trivial problem, you must at least acknowledge that this is the case.
如果您编写了使用额外结构成员的代码，那么您必须将其标记为不可移植的，并且包含一个完成相同任务的替换代码路径，如果您认为这样做特别友好的话。
If you write code that USES any extra structure members, you'll have to flag it as not portable and, if you're feeling particularly friendly, include an alternate code path that does the same thing.
最简单的答案是，您可以这样做，但您必须先了解 here-documents。
The short answer is that you could, but you would not have learned about here-documents.
这个程序利用UNIX的功能对某个命令生成的输出结果运行grep命令，这样做允许您自动缩小python必须解析的数据的范围。
The program takes advantage of UNIX's ability to run a grep command on output generated by a command, which lets you automatically narrow the data Python has to parse.
如果必须这样做的话，那么Community Edition将允许您配置一个安全领域以存储用户的密码。
If this is required, Community Edition lets you configure a security realm to a store user's password.
唔，那可不是容易的哟。我知道不容易。但是您确实必须这样做。
B. Hmm. That won't be easy. I know it won't, but you really must.
之前，你这样做，你必须确定的数额从您的信用卡债务。
Before you do this, you have to determine the amount of your credit card debt.
我知道这是容易的事情告诉你这一点，但完全是另一回事必须这样做时的情况，因此，如果您觉得这应该满月压力，你有我的同情。
I know it is easy for me to tell you this, but quite another to be that way when in the situation, so if you should find this full moon stressful, you have my sympathies.
每个雇主都必须有一个有效的H1 -为您乙，但如果他们这样做，你可以(在理论上)的工作，很多雇主为你想要的。
Each employer must have a valid H1-B for you, but if they do, you can (in theory) work for as many employers as you want.
例如，当您希望按照没有在结果中返回的字段对查询结果进行排序时，必须这样做。
One example of when you would have to do this is when you want to sort your query by fields that are not returned as part of the result.
例如，当您希望按照没有在结果中返回的字段对查询结果进行排序时，必须这样做。
One example of when you would have to do this is when you want to sort your query by fields that are not returned as part of the result.
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