Why is there a need for additional offshore oil drilling in Alaska?

为什么需要在阿拉斯加进行额外的海上石油钻探？

You know, in recent months, they've been a little more aggressive at, you know, reducing the number of leases they've been handing out for offshore oil drilling.

你知道，最近几个月，他们更加积极地减少了海上石油钻探的租赁数量。