About, On and Over (when talking about topics) What is the key difference between about, on and over when talking about topics? I went to the library to look for a book about insects. I'm looking for a book on orchids. There is still some controversy over the use of the drug.
Aug 15, 2018 1:31 AM
Answers · 2
About/on - Both can be used to mean the same thing, especially in spoken English. "About" suggests an overarching theme of the story (Harry Potter is a story about wizards), whereas "on" indicates a more academic insight (this encyclopedia has a good piece on wizardry). "Over" is used for something that is in debate.
August 15, 2018
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