... a day or two 一两天；短时期 a day's grace (票据到期的)宽限日期 (an)eight days 一星期 ...
权威例句
1.
Note: There's a strict 60-day grace period to set up the COBRA plan, so act quickly--miss that window, and you'll be tossed into the individual insurance market.
FORBES: Magazine Article
2.
After a street-side banquet, cap the day with a midnight tour of the riverside flower market and be struck anew by Bangkok's unexpected grace.
WSJ: Insider's Guide to Bangkok | Journal Concierge