在 Firefox 瀏覽器中安裝插件 Greasemonkey
https://addons.mozilla.org/en-US/firefox/addon/greasemonkey/
*. install the script "Google Reader Preview Enhanced v1.2" for greasemonkey
再安裝 Greasmonkey 的閱讀全文 RSS 腳本 Google Reader Preview Enhanced v1.2
http://userscripts.org/scripts/show/104222
*. If this function works, you can see the "Preview button" on every RSS feeds
如果成功的話，在 Google Reader 的每個RSS檢視中，右下角就會有個 Preview模式。
*. click "Preview" button and you will get whole content of the feed.
按下 "Preview" 鈕後，就可以看到完整的內容。
