My itinerary is long distance.

He is immersed in the study of the light spectrum.

This spectrum is very beautiful.

This machine is used to divide light into a spectrum.

Our teamwork created a synergy that led the project to success.

In mathematics, a variable forms part of an equation.

Polarized sunglasses are used to reduce glare.

There is a clear bias in his reporting.

This article is clearly slanted.

His preference for music leans towards classical.