介绍:
draw your attention 吸引你的注意力
littering and scribbling 乱扔垃圾和涂鸦
does harm to the image. ...损坏......的形象
set up specific rules 设立详细的规章制度
develop good habits 培养良好的习惯
with the joint efforts 共同的努力
大家还在听
