Women in agricultural societies were sometimes made beasts of burden. (discovermagazine.com)
The eyes of the speakers are intense, as are the rapid hand movements, commanding you to carry out a message: These people are not beasts of burden. (religion-online.org)
As these traditional beasts of burden acquired more of the automobile's ride comfort, ease of operation and optional equipment, they acquired more of its buyers. (articles.orlandosentinel.com)