In those days, Tu's jewelry business took him all over Europe and the Americas. He had a chance to become a citizen of Belgium, but felt that moving to another country would mean moving to a place that "was not my own home."
早期杜建坊做珠寶生意，經常在歐美各國跑來跑去，比利時政府曾希望他入籍當公民，但他卻不想移民國外，覺得「不是自己的家」。