The hopes, aspirations and uncertainty of the rush toward German unification are a constant undercurrent here, mentioned in almost every conversation.
The quest for identity is a constant undercurrent in much of the Middle East.
And we sat there sharing the poignant sorrow that is a constant undercurrent among the People, even those of us who never actually saw the Home.
The sexual tension was a constant undercurrent since the night they'd met, and he'd been fighting it tooth and nail.
The constant undercurrent was the disputed election.
There was a constant erotic undercurrent between Cindy Caswell and the people she dealt with.
The issue of free trade has been a constant undercurrent as Mr. Clinton took his campaign through the industrial Midwest this weekend.
It was a constant undercurrent in their thoughts, one of the few he could always pick up, like the beat of simple music.
His head ached, and where the splinters had been driven into his face, the stinging was a constant undercurrent.
There's a constant undercurrent which involves taking the mickey out of 21st-century celebrity culture.