摘要
since my grand grandfathers,my family has dwelled in beijing for 300 years.I have untold feelings about this historic city.in my childhood,I took the city’s subway for
Since my grand grandfathers, my family has dwelled in Beijing for 300 years. I have untold feelings about this historic city In my childhood, I took the city＇s subway for fun; now it has become a major means of transportation for me. Over the past three decades, I have witnessed the transformation and progress of Beijing＇s subways.
