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1·The upturn following a decline is often shortlived and prices might resume their decline.

复苏后下降往往是昙花一现，价格可能恢复下降。

2·Previously, the king had employed Van Rompuy as the key intermediary cajoling the two alienated halves of the country into shortlived coalitions.

此前，国王委任范龙佩为关键调解人，笼络比利时这两个被疏远的地区结成短暂的同盟关系。