英文關鍵字
adult
bench
book
casual
caucasian
college
education
field
garden
green
guy
handsome
happiness
happy
holding
knowledge
learn
leisure
lifestyle
male
man
meadow
modern
natural
nature
old
outdoor
outside
park
people
person
portrait
portreit
read
relax
senior
sitting
smart
smile
spring
student
study
summer
sun
tree
university
young
youth