必须构造一个包含blog帖子信息的散列表。
You have to construct a hashtable to contain the blog post information.
ExpanderView是一个基础列表项控件，可以用来展开和收起列表项(就像邮件应用里的帖子视图)。
ExpanderView is a primitive items control that can be used for expanding and collapsing items (like the threaded views in the Mail app).
根据本周初harmony - dev列表中的一个帖子所述，长期以来担任PMC的Tim Ellison将要辞职了。
From a Posting to the Harmony-dev list earlier this week, the long-term standing PMC (Tim Ellison) is stepping down.
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