b.The United Nations Educational Scientific and Cultural Organization,UNESCO,released a report in April projecting a worldwide shortage of 18 million teachers over the next decade. 联合国教科文组织四月份发布的一份报告中预计 在未来10年中全世界教师缺口▣达1,800万。 -wide:throughout-与名词构成形容词或副词；表示 “在范围内的/地”，如：nationwide,citywide, schoolwide b. The United Nations Educational Scientific and Cultural Organization, UNESCO, released a report in April projecting a worldwide shortage of 18 million teachers over the next decade. 联合国教科文组织四月份发布的一份报告中预计 在未来10年中全世界教师缺口达1,800万。 -wide: throughout与名词构成形容词或副词；表示 “在······范围内的/地”，如: nationwide, citywide, schoolwide