Finally, you can enter an optional description and category.
最后，您可以填写可选的描述和类别项。
In order to provide this functionality, you need an Access Integration pattern (this is optional).
为了实现这种功能，您需要访问集成模式(这是可选的)。
You don't create the obligations for the policy, as they are optional.
不用为策略创建义务，因为它们是可选的。
You also send an optional message to the peer to indicate that you're available.
您还可以发送一个可选信息给对方，告诉对方您已在线了。
On a three-button jacket, you button the middle; the top button is optional.
三个扣子的外套，你扣住中间的，顶上的随意。
In addition, you may also supply any of the optional attributes of the object class.
另外，还要提供对象类的可选属性。
You pass the before method an optional symbol and a code block.
您向before方法传递一个可选的标志和一个代码块。
You can set the optional skip to true if the user can skip the task.
如果用户可以跳过这个任务，您可以将skip选项设为true。
You can pass an optional data object and callback function if you need them.
如果需要的话，您还可以传递一个可选的数据对象和回调函数。
Sign up is optional, meaning you can get started very quickly.
注册是可选的，意味着可以快速开始使用。
To use it, you construct a new instance, specifying the mask and an optional culture.
要使用它，你构建一个新实例，指定面具和一个可选的文化。
I'm not planning to get it, because like you said, music is optional.
我不打算得到它，因为像你说的，音乐是可选的。
Note: These are completely optional. You may have neither, one, or both selected.
注：这些选项不是必需的。您可以不选、选其中一个或全选。
There are three optional rules you can apply to your coupon offer.
有三种可选规则供您应用到您的优惠券上。
IBM Support Assistant prompts you for a case name and an optional description.
IBMSupportAssistant会提示输入案例名称和可选描述。
Optional, you can decide not to have Web link at all.
可以选择不用Web链接。
Anything you want to say about this optional class, advice or criticism.
对于这个选修课，你有什么建议或者批评吗？
An objective (optional) can immediately help identify the position to which you are applying.
求职目标（可自主选择加不加）可以明确你想要应聘的职位。
Number of blocks: CHOose the number of blocks you want (optional).
区组数：选择所需的区组的数量(可选)。
You don't have to take this course , for it is optional .
你不一定非要修这门课，它是选修的。
Do you have optional courses for the first term?
第一学期你们有选修课吗？
Will you discharge the optional cargo here?
你将在这卸下选港货吗？
Your comment (optional). Please tell us why you deserve to win the tickets.
您的意见（选填）。请告诉我们为什麽您应该得到这两张票券。
You must always supply a default value for each optional parameter.
您永远都必须为每一个选择性参数提供预设值。
This is an optional step, it depends on how you want your text to look.
这步可做可不做，做不做取决于你想让你的字体看上去是什么样子的。
Will you please tell me how to stow the optional cargo?
请告诉我怎样堆装选港货好吗？
An optional SD memory card lets you hold even more.
选购的SD记忆卡让你具有更多。
You may provide an optional expression to filter the match.
可以通过一个可选的表达式进行筛选。
You may provide an optional expression to filter the match.
可以通过一个可选的表达式进行筛选。
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