英文關鍵字
amount
analysis
animation
aqua
arrows
balance
barrel
bottle
business
canister
change
changes
clean
clear
commerce
comparison
container
cost
decisions
deficit
determination
downward
drinking
equilibrium
fall
finance
footage
fresh
growth
healthy
large
libra
measurement
one
people
price
pure
purity
quality
quantity
rate
resources
scales
seesaw
shortage
sweetwater
symbol
tank
text
upward
value
video
water
worth