英文關鍵字
message
people
opening
reading
young
man
woman
open
read
electronic
characters
letter
social
internet
communication
notification
service
report
speech
address
chat
contact
delivery
document
envelope
invitation
newsletter
notice
paper
post
send
spam
receive
support
mailbox
correspondence
sending
male
female
guy
girl
list
page
communicate
motion
graphic
animation
hd