Normally, the number of applications for temporary work visas from U.S. employers far outstrips the amount available, but the recession has reduced demand.

通常，美国雇主的临时工作签证申请数量会远远超过规定的上限，但经济衰退导致了需求的减少。

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Prime Minister Julia Gillard has pledged to clamp down on the "457" temporary work visas.

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The United States has nearly doubled the annual quota of temporary work visas it grants to foreign professionals--to 195, 000, from 115, 000.

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One option would be to grant them temporary work visas with a longer-term path to citizenship and a higher tariff rate.

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