Framing effect refers to the fact that the same information, expressed in different ways, will lead to different decision-making
Xiao Ming can get one loaf every day. When asked Have you eaten half a loaf, do you still eat it?, he chooses not to eat it; and if you ask There is half a loaf, do you eat it?, he chose to eat it all.
 In general, in terms of losses and gains, people tend to focus on losses