脑力训练类游戏的效果到底有多好，目前还没有定论。
There's no consensus yet about how effective brain-training games really are.
牛津大学的最新研究成果表明，经过数百万年的漫长进化，如今的狗类较之猫类拥有更大的脑。这是因为与独居动物相比，高度群居类的哺乳动物需要运用更多的脑力。
Over millions of years dogs have developed bigger brains than cats because highly social species of mammals need more brain power than solitary animals, according to a study by Oxford University.
神经衰弱属于心理疾病的一种，是一类精神容易兴奋和脑力容易疲乏、常有情绪烦恼和心理生理症状的神经症性障碍。
Neurasthenia is a kind of mental illness, is a kind of mental easily excited and mental fatigue easily, often emotional troubles and physical symptoms of psychological disorder neurosis.
神经衰弱属于心理疾病的一种，是一类精神容易兴奋和脑力容易疲乏、常有情绪烦恼和心理生理症状的神经症性障碍。
Neurasthenia is a kind of mental illness, is a kind of mental easily excited and mental fatigue easily, often emotional troubles and physical symptoms of psychological disorder neurosis.
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