Do not drop litter carelessly.

不要粗心大意地扔垃圾。

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Do not drop away at critical moments.

关键时刻千万不能掉链子。

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Please protect the environment and public facilities. Do not drop litter, scratch or paint on, or carve in the trees and public facilities.

爱护环境卫生和公共设施，不乱丢废弃物；不在树木和公共设施上乱涂、乱刻、乱画。

youdao

Please protect the environment and public facilities. Do not drop litter, scratch or paint on, or carve in the trees and public facilities.

爱护环境卫生和公共设施，不乱丢废弃物；不在树木和公共设施上乱涂、乱刻、乱画。

youdao