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Use "on-line" in a sentence
"The phrase on-line service provider (OSP)—used to describe such firms as America Online, Fujitsu Niftyserve or CompuServe—led to the term content provider (which is not shorthanded as CP, because some of us remember the Communist Party)."
"They've sort of taken the conflict on-line, which is a bit bizarre to me because in real life, land is limited."
"The charges included repairs to the family minivan, grocery bills, plane tickets for his wife, and purchases from retailers ranging from a wine store near his home to Apple's on-line store."