行文的英文：
style or manner of writing

参考例句：

It is written in a detached, precise style.
行文冷静客观，一针见血。

The relevant paragraph now read as follows.
这有关的一段现在行文如下。

It would have been best written in a more concise way as it does tend to ramble.
它的行文确实有些信马由缰，要是简洁一些就好了。

Quotations are apt to break up a book by making it less easy to read
引文容易打乱一本书的行文，使它变得不好读。

style是什么意思：
n. 风格；作风；样式；款式；流行款式；风度；文体；文风；称号，称呼
v. 称呼；命名；设计

a stylus; a style
尖笔

The style is the man
字如其人

It is not unsophisticated in style.
它的风格不复杂。

manner是什么意思：
n. 方式，方法；态度；规矩；习惯；风俗；风格

in a delirious manner.
以精神极度兴奋的方式。

There was an ease in his manner——a gay and light manner it was.
他的态度从容大方――那是一种轻松、愉快的态度。

free and relaxed in manner.
自由的且行为上不拘束的。

writing是什么意思：
n. 书写；写作；笔迹；作品
v. write的现在分词

By writing you learn to write
从写作中学写作

legible writing
字迹清楚的书写

Start out to write/with the intention of writing a novel
动笔[想]写一部长篇小说.