Demonstrativeness
论证性（demonstrative的变体）\\n指示性（demonstrative的变体）
🗣️ 情景例句
No, thank you. Please tell him to phone me when he comes back.
不了，谢谢。他回来时，请告诉他给我打个电话。
He can only speculate as to which horse will win the race.
他只能推测那一匹在赛马中会获胜。
Her first impulse was to go round all the rooms looking for the thieves,
她第一个条件反射是各个房间搜寻一下窃贼，