未知函数不受FC方式的保护，需要明确预防粗心大意的执行。

Unknown functions are not guarded by FC mode; they require explicit guards against their inadvertent execution.

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DB 2既可阻止此类操作被执行，也尝试以这种保护数据完整性的方式执行这些操作。

DB2 can either prevent such operations from being performed, or it can attempt to perform these actions in a way that will safeguard data integrity.

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“我认为，赔偿带来的风险会比其它方式更大，譬如，奖赏他们对野生动物的良好保护行为，”为狮子保护计划提供资金的一个大型猫科动物保护小组的执行主任卢克·亨特说。

"I think compensation has much higher risks than, for example, rewarding good behavior," says Luke Hunter, executive director of Panthera, a wild-cat conservation group that funds Living with Lions.

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