MADRID – A crack in a house’s foundation, if not repaired, can continue to grow, ultimately destabilizing the structure and rendering it uninhabitable. Its occupants must then move to another home.
马德里—如果房子地基出现裂缝而不加修补，裂缝就会不断扩大，最终破坏房屋结构，使其无法居住。此时，住户就必须搬到别的房子里。但世界人口不可能搬到别处去。房子尽管很贵，仍然是可换的；但地球不行。