Medical College(the en‐gaging party)and Dr . . . .(the engaged party),motivated by their common desire,agree to extend the employment contract for two years,from September 1,1999 to August 31,2001 .× ×医学院药理教研室(聘方)与× × ×博士(受聘方)根据共同的愿望,商定延长聘期二年,自1999年9月1日起至 ......