Dr. Chen's foreign aid mission has been remarkably successful, but his concern that he would be out of touch with his medical specialty for too long and that his children's Chinese language education would suffer made him decide to pass the baton once his three-year contract was over.
援外使命成果斐然，但在擔心與醫療專業脫節太久、孩子的中文教育問題等諸多考量下，陳志成選擇在 3 年任期屆滿時交棒。