不过，我们在该保护区仍保留有一些不久将到期的勘探许可。

We do, however, retain a number of prospecting licenses in the reserve that are due to expire in the near future, "she said."

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发现油气资源后，勘探许可证持有方有两年时间进行资源评估。

After that, subject to an oil and gas discovery, the license owner will be given up to two years after the discovery for evaluation.

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但是在这同时，世界上最大的几家能源公司已经获得了勘探许可权。

But in the mean time, exploration concessions have been granted to some of the biggest energy companies in the world.

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