Sightglass
監視孔; 觀察孔; 窺鏡
??? 情景例句
Our boss doesn't allow creative thinking.
我們老板不容許創造性的思維存在。
The worst is yet to come.
最糟的還不只這樣。
What's the problem with building the new factory then?
那么，建新廠有什么問題嗎？