Demonstrativeness
论证性（demonstrative的变体）\\n指示性（demonstrative的变体）
🗣️ 情景例句
This is as useful as screen door on a submarine.
这毫无用处。
Other buyers are satisfied with it, but we could delay it if you could pay 40 percent up front.
其他买主对这货物很满意，但如果你能先付40%货款，我们可以延迟交运。
Who's that?
那个人是谁？