David Kinnaman, president of the Barna Institute, and Gabe Lyons of the Fermi Project published a study of attitudes of 16- to 29-year-old Americans towards Christianity.
Barna Institute的院长David Kinnaman和 Fermi Project的 Gabe Lyons发表了一项关于16至29岁美国人对基督教态度的研究。