機器
background
black
blackboard
brain
brainstorm
business
career
chalk
cogwheel
concept
creative
development
discovery
effort
engine
expertise
gear
genius
icon
idea
illustration
industrial
industry
inspiration
intelligence
lamp
learn
light bulb
making money
marketing
motivation
new business
new ideas
plan
power
problem solving
process
progress
research
science
search
success
symbol
technology
think
thinking
wheel
work