qǐng wù jiāng xiànjīn zhèngjiàn shǒushì huò zhòngyào diànzǐ shèbèi suíyì fàngzhì zài fángjiān nèi

请勿将现金、证件、首饰或重要电子设备随意放置在房间内。

Please do not leave cash, identification documents, jewelry, or important electronic devices unattended in the room.