A long time ago, my grandfather took his daughter, my mother, to live in a village at the foot of a mountain in Daxinganling. It was just after liberation, and there was a shortage of food and clothing. In addition, there were frequent wars and natural disasters in those years, and many people starved to death. Fortunately, my grandfather was a hunter, and because the people in the mountains depended on the mountains, I could barely survive with my mother, and they could barely survive with food and clothing. But this winter, the heavy snow came early. Before every household could save food, meat and animal skins and cotton-padded clothes for the winter, the heavy snow sealed the mountains. Grandpa and his mother were sitting at home, looking at the white snow outside the window. He felt indescribably bitter in his heart. If he didn't save enough firewood, clothing, and food for the winter, he would definitely die of cold and hunger this winter. Grandpa gritted his teeth and stamped his feet and decided to go into the mountains again to try his luck. Otherwise, the father and daughter would inevitably die before the winter was over. Now, while the snow had not yet fallen, there should be a lot of roe deer and pheasants walking outside to eat. It would be better to take the risk than waiting to die at home. In the past, every household saved enough food during the winter, so that no one would enter the mountain when heavy snow closed it. First, the snow in this mountain is much heavier than outside. If you usually step on the snow, the snow will reach your thighs. If a ravine is filled with snow, if you don't know that if you step in, you will die.
Purpose: Some things that are not recognized but do exist must always be known.