这些声音可以让用户知道他离物体有多远。

The sounds make the user know how far he is from the object.

youdao

但如果愿意，用户可以选择让发布商分享这些信息资料。

Users can choose to share that information with publishers if they want.

youdao

你还要明确的是：让用户进入你的网站后，你能够提供什么，用户又可以做些什么。

It should be clear what you have to offer and what the user can do when they get to your site.

youdao

So let's go ahead and introduce a couple other capabilities so that we can finally start writing programs that maybe print out charts or interact with the user, play games, or the like.

让我们继续来介绍其他几个功能,以便我们最终能开始写程序,那样可以打印图表或与用户交互，打游戏之类的。

哈佛公开课 - 计算机科学课程节选

Would it be better for people to be able to see everyone and maybe not feel like this is a secure environment in which they can share their interests and what they thought and what they care about?

我们可以选择,将用户信息全部公开,但在这样一个网络环境下,分享自己的所见所闻,所感所想,总会让人觉得不可靠？

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选