It maintains no tariffs and no regulatory measures impinging on international trade other than those required to discharge its international obligations or to protect health,the environment and access to high technology.

• 除了为履行国际义务或为保障卫生、保护环境和引进高科技而采取的管制措施外，它不征收任何关税，也不设任何限制国际贸易的措施。