He is the secret head of a large illegal gambling ring which use the computer for its operations.

他是一个秘密的，大的，非法的赌博团伙的头,那个团伙用这个电脑来操作。

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But I bought last year for my girlfriend a very nice diamond ring.

但我去年给我女朋友买了一个很漂亮的钻石戒指。

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