An unknown man to keep food edible for the next meal. Foods that are eaten at each meal. So it raised to eat in a meal per meal. We have not in the past, must know that manu busy with finding food to eat at each meal.
Man does not know to keep food eaten at the next meal. Food that you eat at each meal. I want to eat a meal a meal. We know that the man in human history have been busy finding food to eat at each meal.
People do not know how to collect food to eat the next meal. The food was eaten each day. It can eat a meal to meal. We know that human นษย์ in the past must be busy with finding food to eat each meal.