The first breeding line is expected to be released this year for use by private seed companies and public soybean breeders.

VOA: special.2009.01.20

In any private cooperation, there is a final line between what is good for management and what is good for shareholders.

在任何一个私人企业里，总是有一条底线划分,怎样对管理有利,怎样对股东有利。

普林斯顿公开课 - 国际座谈会课程节选

There's a phone in Buddy and Seymour's old room that is a private internal line, and it just goes from one room to another in the apartment; it's not an outside phone line.

在巴蒂和西莫的就房间里，有一台电话,有一个私人的内部线路，在公寓里的房间联通,不与外界相连。

耶鲁公开课 - 1945年后的美国小说课程节选