After finishing writing it, I went to the post office and posted all my pocket money together with the letter.

写完后，我去了邮局，把我的全部零用钱和这封信一起寄出。

youdao

But how was she to get the letter to the post?

但是怎样把这封信送到邮局去呢？

youdao

After your letter makes its way through the door of the post office, the postmaster will look at the address information of the envelope and place it in the appropriate slot.

当您的信进邮局大门后，邮政人员将查看信封的地址信息，并将它放到适当的信箱中。

youdao

If so, why was the letter post-dated?

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The other thing I noticed, only after I had read the letter through, was the absence of a post-office box address.

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