英文關鍵字
answer
brain
business
concentration
connection
contrast
creative
creativity
discovery
education
equipment
face
gear
head
human
idea
imagination
innovation
inspiration
intellect
intelligence
invention
knowledge
machine
male
mechanic
mechanism
men
mind
people
person
problem
profile
question
sign
silhouette
solution
solve
spinning
strategy
symbol
technology
think
turning
vector
wheel
wisdom
working