参考答案:
Lin Xiaofeng graduated form college and her husband Song Jianping graduated with a Master's degree.That is to say,they both have fundamental elements of becoming intellectuals.But we don't know why their progress level would always fall behind the present high level by several steps.It is just several steps,no more,but it seems that they never would catch up.That situation is very much alike something rudiculed online:when they can have the pork meat,everybody starts to eat the sea food;when they can enjoy the sea food,everybody starts to have the simple vegetables.It was ok thay they have no chance to be parts of that excellent group,just like the cleaning people on the street,the old farmers in the countryside,who would definitely bear it with equanimity;but when they have the ability while they can't,they can not stop feeling pains.