英文關鍵字
analysis
animation
are
background
balance
business
comparison
contrast
cube
cubes
decisions
deficit
demand
dependence
determination
economic
excess
finance
footage
format
illustration
imbalance
inequality
isolated
law
letters
libra
made
marketing
measurement
opposite
overproduction
people
problem
red
scales
seesaw
shortage
supply
surplus
video
weigh
weighed
white
word
words