Two weeks. I said I could do it in two weeks, and I did it.
两周。我说过我两周就能完成, 现在我做到了。
Do I have to make a reconfirmation?
我还要再确认吗?
Up to now, historians have assumed that calendars came into being with the advent of agriculture, for then man was faced with a real need to understand something about the seasons.