英文關鍵字
adult
alone
amazed
anxious
bad
business
businessman
businessperson
caucasian
cellphone
city
communicate
concept
connection
device
disappointed
disillusioned
electronic
financial
gestures
man
manager
men
message
mobile
modern
nature
nervous
news
online
park
people
person
phone
read
screen
send
serious
sidewalk
smartphone
street
stunned
text
touch
town
upset
use
vegetation