어떻게 공부방향을 잡아가야할지 혼란스럽습니다.
Yellow is the most optimistic colour, yet surprisingly, people lose their tempers most often in yellow rooms and babies cry more in them. The reason may be that yellow is the hardest colour on the eye. On the other hand, it speeds metabolism and enhances concentration. Think of yellow legal pads and post-it notes.
Domestication is an evolutionary, rather than a political development. They were more likely to survive and prosper in an alliance with humans than on their own. Humans provided the animals with food and protection, in exchange for which the animals provided the humans their milk and eggs and -- yes--their flesh.