When you have a complex topic to explain, parallel style can help your reader grasp your argument more quickly.
James Fallows is an expert writer and pilot. Check out this list from a blog post he wrote that leads nontechnical readers through the basics of air travel and volcanic eruptions. Each first sentence is followed by further, omitted information.
- Is this [kind of eruption] a known issue in aviation weather, aviation safety, and so on?
Yes, indeed.
- Why is this causing such widespread problems?
Because the ash is drifting into such busy traffic lanes.
- Is the mammoth flight-cancellation and attendant disruption a big overreaction?
Really, no one can be sure right now.
- What does this show about the press?
Widely available reports have been accurate, informative, and non-alarmist.
– James Fallows, “FAQ on the Volcanic Ash Mess,” the Atlantic, April 16, 2010
The reader doesn’t need a degree in vulcanology. This parallel Q&A format of a question followed by an initial sentence helps the reader easily pick up the benefit of Fallows’s expertise.
You can use parallel style in a similar way whenever you need to explain your own expertise. Your readers may be very grateful if you stick to a clean, consistent, parallel format to lay out a complex set of ideas.
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For more guidelines on parallel structure in sentences and lists, see our updated book Professional Writing Skills: A Write It Well Guide. Also look for our book Essential Grammar: A Write It Well Guide, which will ship later this summer!
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