What's the difference between a single and a double quotation mark in English? I've heard that it only depends on where you live US (for double quotation mark) or UK and Australia (for single quotation mark).
Does it depend on anything else?
Generally, in North America, a quotation is enclosed in double quotation-marks and any interior quotations are enclosed in single quotation-marks:
"Is this what they mean by 'overthinking things'?" he asked.
In the UK, they do it the other way around. I don't know why.
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