First, it depends on what you intend to use it for.
首先，这取决于您想要用它来做什么。
The first time that you use it, it may need to be configured.
您第一次使用它的时候，可能需要设置它 。
The first time you use it, the script will do what you expect.
在第一次使用时，这个脚本的作用符合期望。
First, choose the hand you often use so that you can apply it flexibly.
首先，选择你经常使用的手，这样更便于你灵活地运用。
Cons can build any list when you use it in conjunction with first and rest.
将cons与first、rest一起用时可以构建任何列表。
Use the first before you ask others to do something, and use the second when they have done it.
第一个呢在请别人做事前使用，第二个呢，在他们做完了后使用。
To use it, you first need to create the cache object, using a unique name.
使用前，先创建一个缓存对象，并起个不重复的名字。
You're allowed to use it; however, you have to pay for it first.
你可以使用它；但是你必须先付钱。
The only problem is that you have to learn how to use it first.
唯一的问题是，你必须先学习如何使用它。
Before you use your wok for the first time, you must season it.
在您使用铁锅第一次，你必须赛季。
This is a bit like the first tip in this article. Before you actually use it – if you just think about it in your mind – it may not make that much sense.
这有点像此文章中的第一条黄金法则，你实际用她之前--如果你用脑想一下--你会发现它讲不通。
To use membership, you must first configure it for your site.
若要使用成员资格，必须首先为站点配置成员资格。
To use membership, you must first configure it for your site.
若要使用成员资格，必须首先为站点配置成员资格。
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