我校图书馆将面向国际学生举办一场讲座，请你代图书馆写一份英文通知，内容包括以下要点：
(1)讲座时间为2020年6月15日下午两点半到四点，地点在三楼演讲厅；
(2)讲座嘉宾为王一博士，经济学教授；
(3)讲座主题为摆地摊与中国经济。
参考词汇：(1)演讲厅Lecture Hall;
(2)经济学economics;
(3)摆地摊street vending。
Notice
In order to make the international students learn more about the Chinese economy, a lecture will be held in theLecture Hall on the third floor of the library on June 15, 2020. It will last from 2:30 p.m. to 4:00 p.m.
The lecture will be given by Dr. Wang Yi, who is a famous economics professor in our country. The topic of hislecture is street vending and the Chinese economy, which is really hot these days and has attracted many people'sattention. Anyone who is interested in the topic is welcome to attend the lecture.
The Library