php 文件，该文件允许用户查看投票结果，却不允许他们真正投票。
The pollresults.php file, which allows users to view the results of the poll without actually voting.
单击一个答案来注册投票，并且查看结果图表，如图4所示。
Click an answer to register a vote and view a results graph, as in Figure 4.
在前端，用户可以浏览调查清单，对于他们最喜欢的答案进行投票，并查看结果图表。
On the front end, users can navigate through a list of polls, vote on which answer they like best, and see a graph of the results.
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