但其中的一些涉及文明礼貌的标语，如“不准随地吐痰”、“不大声喧哗”、“不乱扔垃圾”等却用中文书写。
However, some of the slogans about being polite are written in Chinese, such as No Spitting, Please be quiet, No Littering and so on.
实验室应保持清洁、整齐。不准随地吐痰，不准吸烟，废纸废渣应倒入指定点，实验结束后应由值日生打扫卫生。
Keep the lab clean and don't spit in the lab. No smoking. The rubbish should put into the permitted place. Clean the lab after the experiment.
任何人严禁在活动室内吸烟、喝酒，活动人员应自觉爱护和保持活动室公共卫生，不准随地吐痰、乱扔杂物，参与活动人员有义务保管好活动室内的各种公共物品。
No one is allowed to smoking or drink in the compound room, you should keep this room clean. Spit or rubbish is forbidden. Everyone take the responsibility to keep the public things in good condition.
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