However don't be too informal, it is a business proposal you are making, so the letter should be set out like a business letter; use a traditional business letter format.

但是不能太不正式，因为这是一封以商务为出发点的信件，所以求职信至少要像一封商务信件，并使用传统的商务信件格式。

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Traditional services include letter service which is the sole business of the posts, parcel service, newspaper distribution, international postal services and stamp collection service.

传统业务包括邮政的专营业务即信函业务、包裹业务、报刊发行、国际邮政业务以及集邮业务。

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The business memo is generally used in place of a traditional letter for internal communication.

一般来说，在公司的内部交流中，商务备忘录已经取代了传统的“文件”。

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