摘要
1Introduction I went back home from school by subway with 20 minutes walk everyday until in September 2016,there were different kinds of bicycle in front of the subway gate.After logged in and paid cash pledge in different sharing bike apps,I may now ride bicycle after getting off the subway to go home.
I went back home from school by subway with 20 minutes walk everyday until in Sep- tember 2016, there were different kinds of bi- cycle in front of the subway gate. After logged in and paid cash pledge in different sharing bike apps, I may now ride bicycle after getting off the subway to go home.
