Textbook publishers connect professors, instructors and students in ways that alternatives, such as open e-textbooks and open educational resources, simply do not.
这是个什么句型,前半句理解,从alternatives往后就看不懂了。
这里in ways后面的部分是由that引导的定语从句,修饰ways.这其中两个逗号之间的部分是插入语,用来举例说明。