The production line at the factory is highly efficient.

Even in the midst of a difficult situation, there is always a silver lining.

The ball landed just outside the foul line.

The fault line runs through the entire region, causing frequent earthquakes.

I need to get in line for the concert.

I go down the line for my favorite sports team.

Somewhere down the line, we lost touch with each other.

His actions are very much into line with his words.

He was the first to cross the finish line.

The International Date Line marks the boundary where each calendar day begins.