Bèi / bǎo / xiǎn / rén / bì / xū / jí / shí / tōng / zhī / bǎo / xiǎn / gōng / sī / dì / zhǐ / de / biàn / gēng被保险人必须及时通知保险公司地址的变更。The insured party must promptly notify the insurance company of any change of address.