Substantial hardware upgrades are necessary, and new software invariably contains flaws, some of them major.

So little of the minor traces are required, that organic manures invariably contain enough of all that is needed.

Well-defined, molecular clusters are known, invariably containing organic ligands on their exteriors.

They had opened safes that invariably contained large amounts of swag.

It invariably contains a small amount of nickel and cobalt.

Such things invariably contained a message or a sign of defiance.

Carbon dioxide invariably contains 27.37% carbon and 72.73% oxygen, by mass.

Sweeping generalizations are the key to everything, and they invariably contain nuggets of truth.

Dust invariably contains pathogens which have settled out of the atmosphere.

A letter will invariably contain a guarantee, an assurance to people purchasing a product they cannot return to a store.