英文關鍵字
1415
15
1819
19
6569
bus
call
caucasian
cell
commuter
couple
ethnicity
female
friends
girl
girls
happy
journey
laughing
lockdown
medium
men
message
mobile
old
passenger
people
person
phone
public
reading
ride
seat
sending
senior
shot
sitting
smartphone
smiling
teen
teenage
teenager
text
texting
three
together
transport
transportation
two
uk
woman
women
year
years
young