导语在下决心之前,需要对事物深入研究。如果像跳在下决心之前,需要对事物深入研究。如果像跳蚤那样,后悔就晚了。一只跳蚤蹦到好心肠的看家狗身上,在它毛茸茸的狗皮上定居下来,日子过得挺舒适,饿了就从狗身上吸一点狗血,困了就躺在柔软的狗毛里睡大觉,什么也不用愁。这一天,跳蚤突然闻到了一股诱人的羊毛气味。“这是什么呀?”跳蚤对这气味很感兴趣,它跳了几跳,从狗毛里爬了出来。睁眼一看,原来是一张挂在墙上的熟羊皮,这 Before you make up your mind, you need to study things in depth. If you want to jump on the next determination, you need to study things in depth. If fleas, regret is late. A flea bounced to a good-hearted house dog, settling down on its furry fur, had a very comfortable life, and when he was hungry, he smoked a little bit of blood from his dog, sleepy, Do not worry about anything. On this day, the flea suddenly smelled an alluring fleece smell. “What’s this?” Fleas were very much interested in this smell, and it hopped a few times and crawled out of the dog’s hair. Open your eyes, turned out to be a hanging on the wall of cooked sheepskin, this