有两个前后对照的研究发现学校改善交通计划增加了行走的量。
Two controlled before-after studies found that school travel interventions increased walking.
一栋大楼就5楼和1楼男厕，真实为难啊，希望学校改善这个成绩。
A building on the 5 floor and 1 floor men's room, is really difficult ah, hope the school can improve this problem.
一栋大楼就5楼和1楼男厕，真实为难啊，希望学校改善这个成绩。
A building on the 5 floor and 1 floor men's room, is really difficult ah, hope the school can improve this problem.
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