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NPD, however, notes Xbox One and PlayStation 4 sales are still much brisker than the previous generation.

“After 32 months since the launches of the PS4 and Xbox One, the combined cumulative hardware sales
for these two consoles exceed the sales of their predecessors by 40 percent at the same point in their lifecycles,”
said Callahan.

NPDは、XBOX壱とPS4の売上については前世代機よりも多いと言及した。
「PS4とXBOX壱の発売から３２ヶ月、これらのハード売り上げ累計は、
　前世代機までの売上推移よりも４０％も多い。」

あ・・・