However, as in any cross-border merger they run the risk of over-complexity and integration difficulties.
然而，在任何跨国界合并中都会面临因过于复杂以及整合困难的风险。
2
But the risk that the recent homeward flow of bank assets will ossify into a less efficient, less flexible cross-border banking system is real and growing.
And there is much more to be done, it suggests, involving cross-border banking, disclosure requirements, indices of systemic risk and international co-operation.