waiver

n.放弃；弃权；弃权证书

If you want to work without a permit, you will have to apply for a waiver. 如果你想在无许可下做工，你将不得不申请自动放弃一些权利。

All interships carry a stipend and most provide a tuition waiver. 所有助教工作都有薪金，而且大多数还为学生免除学费。

Can I apply for waiver of admission charges? 我是否可以申请豁免博物馆入场费?

They were persuaded to sign a waiver of claim against the landlord. 经劝说,他们签署了放弃向房东索赔的权利。