求翻译：第26届世界大运会将于2011年8月在深圳举行。假如你是深圳大学的大运会志愿者协会的秘书Mark Wang，你写信邀请老师为学校志愿者协会的同学们做报告。是什么意思？

The 26th World Universiade to be held in Shenzhen in August 2011. If you are the Secretary of the Association of Shenzhen's Universiade volunteers at the University of Mark Wang, you wrote to invite teachers Association of volunteer students doing reports for schools.