give me a simple explanation. It's mainly about practice. We discussed it just now, and we think it's better to quit together. You're a college student, do you have any good suggestions"I don't have...not ordinary.He rushed home and in a short while came out carrying an iron hoe, shovel, pickaxe, and other tools.Back on the ground, he picked up his hoe and swung it. He alternated between four diff...