About one-third of the economy of Cambodia at the moment relies on the exporting those fish to other countries, especially Thailand.
柬埔寨的经济收益大约三分之一来自渔业出口,特别是对泰国的出口。
But many people still do not know about sealants. About one-third of children in the United States have sealants on their teeth.
但很多人至今尚不知道保护胶。在美国大约三分之一的孩子使用了保护胶。
BOB DOUGHTY: About one-third to one half of the world's mangrove forests have been cut down in the past fifty years.
鲍勃多尔蒂:大约三分之一到世界上一半的红树林被砍伐,在过去的五十年。