to get a full refund

You should have anywhere from 14 to 30 days to get a full refund on your purchase.

你应该在保证14天到一个月内可以全额退款的地方购买首饰。

NEEA immediately announced to the 433 candidates who were at the test centers at the time of the test that they could either get a full refund of their testing fees, or take a free make-up test.

由于适用的考试磁带无法被及时送达有关考点，教育部考试中心立刻宣布，433名当时来考点参加考试的考生可以获得考试费用的全额退款或免费参加补考。

If you want to refund a ticket before departure long enough, say 15 days, you will not be charged. That is to say, you can get a full refund.

如果你在出发前较长时间，比如15天，办理退票的话，是不会被收退票费的。也就是说，你能获得全额退票。