In the 1950s, as roads improved, cars became the chief means of transportation.

This mini-game is the chief means of obtaining additional lives.

Being commander in chief means learning to cope with stress.

Participation in the activities of society should be the chief means of learning.

In truth, biography remains a chief means by which history gets communicated from one generation to the next.

That leaves cost-cutting and increased efficiency as its chief means of raising profits.

The chief means of prevention is filtering the water supply.

Walking is the chief means of transportation, with donkeys second.

About 100 years ago, railways were the chief means of transport, but now they have almost disappeared into oblivion.

Her acting was the family's chief means of support.