英文關鍵字
african
afroamerican
american
background
black
concept
confused
consulting
doubt
emotion
expression
fail
failure
frowning
frustrated
gesture
gesturing
guy
help
hesitant
hesitating
hesitation
idea
isolated
look
looking
male
man
need
needing
problem
professional
puzzled
reaction
service
shoulders
show
showing
shrug
shrugging
sign
signal
solution
solve
staring
trouble
unconfident
unknown
unprofessional
yellow