一个数学系的研究生每天都是走路到学校。可这天骑一崭新的自行车到学校。
A graduate student of mathematics who used to come to the university on foot every day arrives one day on a fancy new bicycle.
他曾每天赤脚走路到七公里远的学校去上学。
你从家到学校要花多少时间？走路40分钟，乘地铁10分钟。
How long does it is take your home to your school? Walk 40 minutes, by subway about 10 minutes.
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