查询词典 optional course

Leaving your email is optional, and in any case, it will not be revealed.

离开您的电子邮件是可选的，在任何情况下，也不会透露。

This is optional.---

这是可选择的。---

You can give it your own name and it has 2 optional elements

你可以给它自己的名字和它有2个可选元素。

It's not just optional.

这不只是可选的。

Note: you do NOT have to use this service its optional.

注意：您没有使用此服务的可选的。

It is important to keep in mind that these features are optional.

记住这些特性只是供选择的是很重要的。

However, if an application is designed in such a way as to offer some optional

但是，如果应用程序设计的方式，以提供一些可选

You are not required to provide your name or contact information as it is optional.

您的姓名和联系方式不是必须填写的，这是可选的。

It is optional to you to provide the following information.

如你愿意的话，请提供下列资料。

This question is only optional, but if you could response to it, you have extra credit.

你可以选择不回答，但如果你回答的话，将增加你的信任度。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

Talk Undelete failed; someone else may have undeleted the page first.

Talk 无法删除选定的页面或图像（它可能已经被其他人删除了）。