But such experiments show only that a truly impoverished and unnatural environment leads to poorer developmental outcomes than a more natural environment with opportunities to play and interact.
但是这种实验只能证明，确实缺乏刺激物和不自然的环境比有机会玩耍和互动的更自然的环境更容易造成不良的发育后果。
But such experiments show only that a truly impoverished and unnatural environment leads to poorer developmental outcomes than a more natural environment with opportunities to play and interact.
但是这种实验只能证明，确实缺乏刺激物和不自然的环境比有机会玩耍和互动的更自然的环境更容易造成不良的发育后果。
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