这个清单中的代码稍微有点儿复杂，因为它要为每个公告构造一个表格行。
The code in this table is a little more complicated because it constructs a table row for each announcement.
xpath语法可能看起来有点儿奇怪，和基于XML的语法相比更像是UNIX的目录路径——又稍微增加了一点儿东西。
The XPath syntax might seem a little strange and feel more like a UNIX directory path — with some odd additions — than an XML-based syntax.
虽然这个代码稍微有点儿长，但我还是会努力尽可能简练地解释它。
Although this code is somewhat lengthy, I will endeavor to explain it as concisely as possible.
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