You quickly type your comment, the keyboard disappears again, and the annotation sits on the margin. Back to normal reading.
你快速地输入你的评论，然后键盘就消失，而注释留在了空白处，接着你又可以正常阅读了。
2
Looking back at Listing 7, notice that its annotation declares that it supports asynchronous processing and sets the timeout.
回头看看清单7，注意它的标注声明它支持异步处理，并设置了超时时间。
3
Reviews and labels are stored as what Google calls "annotations" and, if you look back at Listing 1, you'll see that every entry includes an annotation URL.