1, summer
The hottest time: 1 day; not too hot: 1 day and a half; a little cooler: 2 days
Spring and fall: 2 days and a half
3, winter:
North: the coldest time: 5 days; not too cold: 4 days
South: the coldest time: 3 days and a half; not too cold: 3 days
The longest time to put dirty bags is 6 days. When: 3 days and a half; not too cold: 3 days
There are refrigerators and other preservation equipment, the longest can only be put 6 days, and then longer on the long hair.
Suggestion: It's best to buy it now or make it now, the fresher the better.
Preservation method: fresh bread into a food plastic bag, and to the bag into one or two celery, and then tighten the mouth of the bag, you can make the bread to maintain a fresh taste. Bread is easy to become dry, and put some vegetables into, artificially create some moisture, just adjust the humidity in the bag. But then, the bread should still be eaten as soon as possible as well.