求翻译：O— 学习汉语的人数不断扩张，目前，全世界有109个国家、3000多所高等学校开设了汉语课程。在很多国家，学汉语的人数正以每年50%甚至更高的速度增长。其中，韩国上百所大学开设了汉语课程，学习汉语的人数超过100万人。日本汉语学习人数达到200万人左右，汉语成为继英语之后的第二大外语。汉语热”的兴起直接导致了对“汉语教师”的需求激增。据国家汉语国际推广领导小组办公室统计，目前全世界每年约需要1万名对外汉语教师，而我国仅能派出2000人。预计到2010年底，全球学习汉语的人数将达1亿人，至少需要400万名汉语教师。是什么意思？

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O - learn the Chinese language, the number is currently expanding throughout the world, there are 109 countries and more than 3,000 higher opened a Chinese language courses. In many countries, learning Chinese language is the number to 50 per cent per annum or an even higher rate of growth. Among th

O-learn Chinese numbers continue to expand, at present, more than 109 countries around the world, more than 3,000 colleges and universities opened Chinese courses. In many countries, number of learning Chinese is growing at annual rate of 50% or higher. Among them, Korea hundreds of University cours