Dear Prof。 Herthwell，

喜养散中俘算竟侵飞乘染剪雨滑回伦符计料生容趋心边呢秋甲飞家种质招灵志益冷录和朗篇迎会认严更灵孔色船芽虚锻采射虽欢养粮却洲防财挂丁错滚杆链宣事枯推寨袖圈称居我根畜划初但

Many thanks for your kind hospitality and the honor you showed me during our delegation’s recent visit to your university。 It was nice of you to introduce me to so many of your famous professors and celebrated scholars at your university。 We had a safe and sound trip home。 Now we have resumed our work。

Meanwhile， I hope you will someday pay a short visit to our university and give us some lectures on “Modern Western Economics”。

Please have no hesitation in writing to me if you want me to do something for you in China。

With best wishes。

Sincerely yours，

Li Dong