Gerontech and Innovation Expo cum Summit (GIES) 2021 3 November 2021 Gerontech and Innovation Expo cum Summit (GIES) 樂齡科技博覽暨高峰會 2021 — Highlight 精華片段 全文を読む → Event 繁中 EN この引用について 関連事業 seniordeli This citation references Raymond Chau Yik-Chun and seniordeli .