Clicking the pushpin a pinned project unpins it from the list.

单击固定项目上的图钉取消对列表中项目的固定.

It also creates pushpin markers to show the searched zip code and others in the area.

它还会创建 “图钉”标志来显示搜索的邮政编码和这个地区的其他邮政编码。