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.

youdao

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.

youdao

so we try and make public school systems better for children in Providence.

所以，我们希望能改善公立学校的体系，让其更好地为普罗维登斯的孩子们服务。

丰富多彩的社团活动 - SpeakingMax英语口语达人