"One week" refers to a time span of seven days, used in schedules, deadlines, and plans. It can point to the past or future, like something due in seven days or lasting seven days.
I talk and talk and talk, and I haven't taught people in 50 years what my father taught by example in one week. Mario Cuomo
The ethical debates are like stones in a stream. The water runs around them. You haven't seen any biological technologies held up for one week by any of these debates. Ray Kurzweil
This means that if in a city seven accidents occur each week, then (assuming that all possible distributions are equally likely) practically all weeks will contain days with two or more accidents, and on the average only one week out of 165 will show a uniform distribution of one accident per day. William Feller
I really do think that if for one week in the United States we saw the true face of war, we saw people's limbs sheared off, we saw kids blown apart, for one week, war would be eradicated. Instead, what we see in the U. S. media is the video war game. Amy Goodman
I feel Bolton played a cup game today, they were one week late. Arsène Wenger
Rather one week without eating than Saturday without sauna. Finnish Proverb