按照吸尘机使用方法正确的清洁办公室地毯。
Clean the carpet of office area correctly according to the usage of vacuum cleaner.
药品的正确使用方法，是与同志们挤在一起，同他们安静神圣地聚集在公园、空地、沙滩、旷野中，或是在都市中一个阴暗的小屋里。
Its proper use is among huddled comrades, gathered in a sacramental hush in park or field, on the beach, in the wilderness, or the enfolding darkness of an urban den.
注意标点，特别是逗号和句号的正确使用方法。
Pay attention to punctuation, especially to the correct use of commas and periods.
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