20200728_满意度调查-一词多义：升舱、升级、更新

You’ve probably noticed that the wholestation’s been upgraded. What are you most satisfied with?

你很可能意识到整个车站得到升级了。你最满意的是什么？ 

1. Upgrade: v. n. 升级

    eg. facilities upgrade

          upgrade the facilitiesin the station 升级设施

2. Upgrade: v. 更新

    eg. upgrade software 更新软件

          upgrade to the latest version of wechat 更新微信到最新的版本

3. Upgrade v. 升舱

    eg. upgrade from economy to the first class. 从经济舱升级到一等舱