如果您有兴趣参与，那么请赶快加入。
如果您有兴趣查出用户更改选择的时间，请连一个侦听器。
If you're interested in finding out when the user changes the selection, you attach a listener.
如果您有兴趣进一步了解Erlang，我给出了以下建议。
If you are interested in learning more Erlang, I would recommend the following advice.
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