There is a five-year sunset on the new tax.

新税种的有效施行期限为五年。

《牛津词典》

Sunset on the river ice… The other bank is barely seen.

在冰河面上的日落...几乎看不见另一边的河岸了。

youdao

So what moves us to snap a sunset on the horizon, a flowing river, a blossom in spring?

那么，是什么促使我们抓拍地平线上的夕阳、流动的河流和春天的花朵？

youdao

Then,shortly after sunset on April twelfth, Navy special operations forces feared that Captain Phillips' life was in immediate danger.

VOA: special.2009.05.27

and she was coming out of Sun Deli on Sunset.

她刚从日落大道的Sun Deli出来。

溺爱是一种伤害 - SpeakingMax英语口语达人

However, the estate tax repeal, and all other provisions of EGTRRA, are scheduled to sunset on December 31, 2010.

FORBES: Pssst. Don't Tell The IRS. It's Spring And The Estate Tax Has Been Reinstated

For Nextel push-to-talk subs, the writing's been on the wall for some time now, what with that legacy service destined to sunset on June 30th, 2013.

ENGADGET: Sprint plans $10 monthly charge for iDEN push-to-talk subs in the new year

The second obstacle is a 2010 sunset on tax-free withdrawals.

FORBES: Complexity Mars College Savings Plans