The researchers divided 40 aged people into 2 groups: one received game training while the other received no training.
研究人员把40名老人随机分为两组，一组接受游戏培训，另一组不接受培训。
The researchers divided 40 aged people into 2 groups: one received game training while the other received no training.
研究人员把40名老人随机分为两组，一组接受游戏培训，另一组不接受培训。
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