Make an outline before you start writing.

你先拟个提纲再写。

《新英汉大辞典》

For instance, if your ebook was about novel-writing, your outline might start like this.

比如说，如果你的电子书是有关小说写作的，你的提纲可以这样写。

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Pick a dark gray color and start drawing the outline of the page icon.

选择一个暗灰色，并开始画页的图标的轮廓。

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Pick a dark gray color and start drawing the outline of the page icon.

选择一个暗灰色，并开始画页的图标的轮廓。

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