国内各类邮件禁止邮递的物品有哪些？
翻译以下关于邮政储蓄填单业务有关对话。 ①Clerk: Please fill in this form. ②Customer: Sorry, I don’t know Chinese. Would you help me to complete the form? ③Clerk: I am afraid I cannot do it for you. This is our regulation. You can go to the information desk to ask the director on duty for help.
简述邮政业务资费的意义。
ICU病床与护士人数之比约为：（）。 ["1：1~1：2","1：2~1：3","1：3~1：4","视实际需要设定"]
邮资凭证包括（）等。 ["邮票","邮资符志","邮资信封","邮资明信片","邮资邮简","邮资信卡"]
邮政业务资费是邮政企业经营各种（）、（）时，按规定收取的各项费用标准的总称，简称邮政资费，它是邮政通信产品的价格。
