英文關鍵字
adult
american
banking
banknote
bill
budget
business
cash
caucasian
charity
citizen
compensation
considering
currency
depth
dollar
dollars
donate
economical
economy
elderly
face
field
finance
financing
focus
focused
hand
hands
his
holding
human
man
mature
men
money
old
one
paper
pay
pension
pensioner
people
person
retired
retirement
save
saving
selective
senior
serious
shallow
sign
ten
usa
waiting
while