英文關鍵字
man
smartphone
texting
browsing
indoor
technology
communication
standing
adult
engaged
concentrating
daylight
male
connectivity
messaging
swiping
tapping
internet
cellular
user
touchscreen
handheld
gadget
lifestyle
英文關鍵字
man
smartphone
texting
browsing
indoor
technology
communication
standing
adult
engaged
concentrating
daylight
male
connectivity
messaging
swiping
tapping
internet
cellular
user
touchscreen
handheld
gadget
lifestyle