在网络的帮助下，你可以得到很多有用的信息，你可以和不同的人交朋友是已知或可知，你可以要求帮助或问题的答案。
With the help of the net you can get many useful imformations, you can make friends with different people who are known or unkown, you can ask the help or question the answer.
如果你帮助一个慈善机构，很有可能他们会积极回应你要求链接的请求，而且你可以自由选择锚文本。
If you help a charity, there is a good chance that in return they will respond positively to a request for a link, with the anchor text of your choosing.
你可以得到一个由奶奶或一个电子邮件要求帮助主题路线。
You may receive an email from Grandma or one asking for help in the subject line.
看到一个问题之前，你听到它可能工作在课堂上，在人行道上它可以帮助你了解你所听到的，但没有要求他们写在你的笔记本上。
Seeing a question before you hear it may work in the classroom, but on the sidewalk you it helps to understand what you hear without asking them to write it in your notebook.
一个用例图是一个UML图，它的一个图形的看法提供你的系统的要求，可以帮助你确定用户如何与其进行交互。
A use case diagram is a UML diagram that provides a graphical view of the requirements of your system, and helps you identify how users interact with it.
一个用例图是一个UML图，它的一个图形的看法提供你的系统的要求，可以帮助你确定用户如何与其进行交互。
A use case diagram is a UML diagram that provides a graphical view of the requirements of your system, and helps you identify how users interact with it.
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