In 1987 the Supreme Court ruled that Native American tribes could establish gambling operations on tribal lands even if those lands lay within states that prohibit gambling.

1987年，美国高等法院决定允许印第安人部落在保留区（tribal lands）内开设赌场，即使有的保留区所在的州禁止赌博，保留区内一样允许。

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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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Beginning in the mid-1990s, the Fertittas began buying up the limited available land that Las Vegas allows for gambling operations.

FORBES: Magazine Article

The commission recommends a rollback of convenience gambling operations.

ECONOMIST: Gambling on the future

As Mr. Rose, the gambling law professor, sees it, many of the issues regulators will face are reminiscent of the gambling industry's difficult past, when Nevada first gave licenses to people formerly involved in prohibited gambling operations.

WSJ: PokerStars, Online Gambling Bet on Return to U.S.