但是另一些人认为这些限制仅仅是来帮助恢复经济，却会减弱美国的革新优势。
But others contend that such restrictions could dull America's edge in innovation, just when it is needed to help revive the economy.
生态学以往影响范围非常广，然而现在生态学已被视为对经济的一种充满了革新的“伟大转型”推动力。
Ecology matters as much as ever but now it is seen as the driver of an innovation-fuelled "great transformation" of the economy.
这架大型喷气式客机依靠削减单个座位的成本和降低票价为空旅经济带来了革新。
The jumbo jet changed the economics of air travel by slashing costs per seat and lowering ticket prices.
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