А теперь то же самое в правилах и по английски
Estimates are not exactly how many days it will take to construct your stadium, and on average, construction estimates tend to be rather optimistic. If you really, desperately need your arena expansion ready in 10 days, you should probably not trust a 10 day estimate from the construction crew.
Сроки - примерные,это факт а не баг.Как и переводы бывают примерными))