You start a new line when someone else is speaking.
The similarity was enough to start a line of thought for me.
The company started its first line of black rifles earlier this year.
The player starts their line again if they run out of numbers to bet.
Last week, a deal to start a new line of "Strictly" children's books was announced.
He would like to start a line of comparable longevity.
After nearly a decade there, they decided to branch off and start their own line of clothing.
You start a new line every time a new person speaks.
By 2007 they had started their own line of wooden trains, expanding it in 2008.
"When I started my line, there was a void in the marketplace," she said.