But there remains a seemingly unbridgeable gap between the lab data and the real-life experience of musical sound.

In every war, there are two realities, seemingly unbridgeable.

The two containers sit side by side, separated by a few, seemingly unbridgeable inches.

That observation serves as an epigraph for a movie that reflects on the seemingly unbridgeable class differences in contemporary Brazil, a country of devastating economic inequities.

The President's chief trade negotiator, Carla A. Hills, who deals with these issues every day, is especially practiced in leaps across the seemingly unbridgeable consumer-producer gulf.

He used this new logic to span three seemingly unbridgeable metaphysical chasms.

Her subjects included sexual politics, family and the seemingly unbridgeable gulf between men's and women's attitudes toward emotionally laden topics like adultery, eroticism and divorce.

They are the two estates of modern life, glaring at each other across a seemingly unbridgeable chasm, with mutual antipathy and envy.

The outbreak of violence here illustrated the seemingly unbridgeable differences between American forces and Mr. Sadr, a 30-year-old cleric who has built a large following in Iraq's downtrodden neighborhoods.

Yet, for all the seemingly unbridgeable distance between us and them, dogs have found a shortcut into our minds.