财政优惠具有不稳定性。

The financial concessions were of a precarious character.

《柯林斯英汉双解大词典》

他们对这些尝试感到担忧、对美国放弃金本位制、允许财政赤字感到恐惧，同时他们对劳工的优惠政策表示不满。

They feared his experiments, were appalled because he had taken the Nation off the gold standard and allowed deficits in the budget, and disliked the concessions to labor.

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从2010年开始，小到混合动力车，大到装有节能的LED照明系统的科技大楼，环保的一切都将享受到税率优惠、补贴、信用担保及其他的财政项目。

In 2010 tax incentives, subsidies, credit guarantees and spending programmes will begin to be showered on everything from hybrid cars to fitting buildings with energy-efficient LED lighting.

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