デジタルデバイス（ノートパソコン、スマートフォンと、タブレット端末）
Schlüsselwörter
tablet,
notebook,
smartphone,
smartphone,
personal computer,
pad,
digital,
search,
screen,
business,
mobile phone,
copy space,
white,
examine,
cyberspace,
image,
computer,
keyboard,
light,
technology
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