英文關鍵字
adult
aged
bench
blind
blindness
cane
caucasian
city
dark
day
difficulties
disability
disabled
elderly
eyeglasses
eyesight
glasses
handicapped
impaired
impairment
insecurity
lack
leisure
loss
male
man
mature
old
outdoors
park
person
physical
problems
rest
resting
retired
sad
senior
sight
sitting
state
stick
sunglasses
support
thinking
thoughtful
tired
unsighted
vision
visual