They would have appeared in the seventeenth century with line numbers because line numbers obviously facilitate the production of scholarly commentary and facilitate the study of those texts in the classroom.

它们与行数都出现在十七世纪,因为显然便于,学者写评论,还便于课堂上学习那些诗歌。

耶鲁公开课 - 弥尔顿课程节选

Increase my own production to match my best response line.

我会根据最佳对策曲线来增加产量的

耶鲁公开课 - 博弈论课程节选