Initially, memory problems may show up as forgetting appointments, repeating anecdotes, confusion, misplacing things, and trouble finding the right word in conversation.

最初，记忆问题也许表现为忘记约会、反复说起轶事、糊涂、忘记放东西的位置、在谈话中难于找到合适的词进行表达。

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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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