答案在The Economist May 21st 2022Finance & economics “Free exchange︱Immaterial needs---How to unleash more investment in intangible assets” 这篇文章第三段可以找到。
活动18.atthe old people’s home 在养老院19.be free= have time 有空余时间20.make friends with sb.与某人交朋友21.call sb. at…