We must make our classroom clean and tidy.

我们必须使我们的教室干净、整洁。

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Provide the regular maintenance of the vehicles and make the vehicles look tidy and clean.

车辆进行日常维修保养，保持车辆内外整洁。

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Provide the regular maintenance of the vehicles and make the vehicles look tidy and clean.

车辆进行日常维修保养，保持车辆内外整洁。

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