One of the most popular products is Nintendo's Brain Age (also known as Brain Training) -- a collection of simple exercises like math problems, memory tests and word puzzles.
其中最流行的产品是任天堂的“大脑时代”（也称为大脑训练）——是一种简单的大脑操练题合集，像数学题、记忆力测验和字谜等。
One of the most popular products is Nintendo's Brain Age (also known as Brain Training) -- a collection of simple exercises like math problems, memory tests and word puzzles.
其中最流行的产品是任天堂的“大脑时代”（也称为大脑训练）——是一种简单的大脑操练题合集，像数学题、记忆力测验和字谜等。
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