短期来看，美国消费者因工资停滞和失业率上涨再也难复当年之勇了。
In the short run, American consumers are hamstrung by wage stagnation and rising unemployment.
地洼学说对成矿学的又一突击贡献，是提出多因复成成矿论及多因复成矿床。
The another outstanding contribution of diwa theory to metallogeny is the concept of polygenetic metallogeny and polygenetic compound ore deposits.
因此可作为地洼型多因复成矿床的一种重要类型及其典型实例。
The mineral deposits in this region stand for an important type and typical example of polygenetic compound ore deposits.
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