kàn dào zàn tíng shǐ yòng wéi xiū zhōng qīng jié zhōng tōng cháng biǎo shì zàn shí bù néng yòng

看到“暂停使用”“维修中”“清洁中”，通常表示暂时不能用。

Seeing 'Out of Service', 'Under Maintenance', or 'Cleaning in Progress' usually means it is temporarily unavailable.