= NP, a few days ago, caused lots of enthusiasm in the programming community - at least for a couple days, until the first reviewers showed several flaws in the proof.

= NP的证据,这在编程界引起了不小的兴趣——至少为此狂热了好几天，直到开始有评论家指出证据中有很多的缺陷。

youdao

S: Several days ago when I deposited my paycheck.i don't remember the exact day because I didn't come to the bank until a few days after I got paid.

斯科特：几天以前，当我到银行存入我的工资支票的时候，我记不清确切的日子了，因为我领到工资几天以后才到银行来。

youdao

Until a few days ago, Mexico's local virology LABS didn't have the equipment to identify the new strain of bug, so they had to send samples to the U. s. or Canada, a turnaround that took several days.

几天前，墨西哥的地方病毒学实验室还没有确定新流感病毒的设备，所以他们要把样本送到美国或加拿大进行确认，来回要耗费好几天的时间。

youdao

Fake jobs available to white expatriates can last from just a few hours to several days, and can be something as simple as appearing as a guest at an event to attending negotiations on behalf of fake companies.

BBC: Faking it as a foreign executive in China

She alleged, Williams broke up with her several times, including a few days after the proposal, when the two were vacationing with family in the Bahamas.

WSJ: Bills DE Williams sues ex to return $785,000 ring

After a battery fire and several other mishaps over the past few days, two separate flights reported a cracked cockpit window and an oil leak on Friday.

FORBES: FAA's 787 Dreamliner Probe A Formality To Protect U.S. Jobs And Reassure The Public: Citi