コストの増加
Palabras clave
electricity,
power,
calculation,
pen,
chart,
note,
business,
eco,
energy,
environment,
brownout,
power generation,
saving,
noto,
calculating machine,
ecology,
power source,
copy space,
datum,
bar chart,
economic,
information,
rise,
growth,
ascent,
enlarge,
environmental issue,
go up,
cost
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