Flurry estimates that the average lifetime for a game is about 3 months.
Flurry估计每个游戏的平均生命周期在3个月左右。
That makes 243 hours a year, or more than a full year in an average lifetime.
一年就是243个小时,一生就是365天以上。
The average lifetime and lifetime variance of these systems are compared.
比较了它们的平均寿命和寿命方差。
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