除传真号码可辨别客户身份外，还会提供一个8个位的户口号码，字头是23。
In addition to fax number identifiable customer identification, it will also provide an 8-digit account number, prefix 23.
和孩子并行于街道上时，可教导孩子辨别门牌号码，分辨哪边是偶数、单数，或辨别道路的特别之处，强化孩子对地形及景观的观察智能。
When out walking with your child, have him observe the numbers of the addresses, such as the even versus odd numbers or to distinguish various different streets to strengthen his observational skills.
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