The Dilemma of Humanity——The Artistic Tension of "The Gadfly";

Yu Jiaju and his dilemma on rural education from nationalism;

Traditional macro-economic dilemma refers to the phenomenon that economic growth accompanies inflation,but raising the interest rates to suppress inflation commonly restrains economic growth.

This paper provides a review and integration of the psychological researches on resource dilemma at the current time, highlighting the decision model proposed by Samuelson and Messick in 1994, which divided the solutions as structural and individual.

Resource dilemma, one basic prototype of the social dilemmas, is a rare topic in psychology that appeals not only to psychologists, but also to scholars in many other disciplines.

Based on passing behavior analysis,this paper introduced the concept of a dilemma zone(DZ) road segment,where a(vehicle) could not accomplish overtaking or avoid collision with the oncoming vehicle in two-lane highways.