A second agent of renewal has been the development of characteristically American religious movements — most with Protestant roots. (religion-online.org)
On the other hand, combining the drug with a second agent that has a different mode of action, such as mefloquine, decreases the course to three days. (discovermagazine.com)
After failing to sell my second novel, the second agent soon left her New York agency for greener and warmer pastures in California. (writerunboxed.com)