デジタル通知ベルを操作する手元のスマートデバイス
Schlüsselwörter
smartphone,
operation,
fingertip,
technology,
business,
office,
digital,
modern,
efficiency,
concentration,
working,
professional,
device,
office,
communication,
notice,
online,
management,
reform,
mobile,
tool,
convenient,
still life,
app,
electronic,
near future,
screen,
occupation,
technology,
morning,
light
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