The major challenge of allowing an operation to be pushed down is to ensure that the same query result can be achieved regardless of where the operation is performed.

允许操作下推的主要挑战是确保无论在何处执行操作，取得的查询结果总是相同的。

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Yet Mr Milosevic may perversely see some advantage in allowing a relief operation that reduces the pain of his war.

ECONOMIST: A victory for despots?

The real problem of allowing Mr. Franken to conduct his own voter discovery operation is that this is changing the rules after the election has been held.

WSJ: Al Franken's Minnesota

Higher flash capacity also offers the possibility that the OS and applications can be stored on the flash memory allowing faster system operation and booting.

FORBES: Niches for Flash Memory at the 2013 CES