Structure is different from the format. Format applies to the aesthetic part of the letter, while structure refers to the content itself.

结构不同于格式，格式适应于信函的审美部分而结构指的是内容本身。

youdao

This has helped sales. "As they move more and more of their product descriptions into a plainer format, the ones with the plainer and easier to understand description sold better."

VOA: special.2010.04.30

The goal is by 2005, they have all the large lecture courses in MIT physics taught in this format.

我们的目标是到200年，能使所有的大型讲座课,都能用这种方式讲授。

麻省理工公开课 - 媒体、教育、市场课程节选

The students are engaged in the lecture-station format, 50% you would typically have 50% attendance even with the best lecture.

在普通的讲座-背诵式课堂,学生的出勤率，通常是,即使是最好的讲座也如此。

麻省理工公开课 - 媒体、教育、市场课程节选

Anything you do in a text format, you should also do in a video format.

FORBES: Should I do video blogging? -media training

It converts nearly every common video format into a format it can play, right inside its website.

WSJ: Google Drive Stores, Syncs, Edits in the Cloud

The difference is that in a format war the more people who bet on a format actually leads to that format winning.

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