The author is insightful. I've seen different style of writing. Some write longhand on pad only with fountain pen, a feeling of being a writer. Some, with ball pen. Some, with pencil only. Some, gotta use  Antique Mercantile Typewriter, as its sound stimulate his thinking. Some, Manual electronic typewriter for its feel. Some, computer keyboard.

I've seen a Nobel laureate used a pencil on a legal size pad paper. His secretary said that he used only classic pencils, got be sharpened by knife. He didn't read e-mail on computer screen, but only on the print-out.

Some write by dictating on a tape recorder like Joseph Goldstein. Some talk to a person who jot down what he talks.

All of these habits is for 以保证思维的连续性。

So that gets to my take home message:

You write English in Rainbow style - write whatever comes to your mind - if English, record as English; if in Chinese, record as in Chinese. 使用的工具不会打断思维过程.

That's because 你在一天内能消化30-50篇专业文献，- your mind is full of those English words, terminology, noun phrases, or patterns - you just jot them down when they come to your mind.

What's the heck? Just writing down what the heck come to visit you at the moment. After a while, you know what's the best for you - write long hand, type, dictate, or acting - your choice.