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人生征途不会平坦径直,总要发生酸甜苦辣的一些事情,就是说有快乐与烦恼。人在快乐时两腿走路也有劲,哪怕吃粗食淡菜也觉着有滋有味。因为人在快乐时机体可分泌有益的激素、酶和乙酰胆碱等物质。这些物质能促进血液循环,兴奋神经细胞,调节各脏器的代谢活动为最佳状态,并可增强人体免疫功能,致使所有器官如同机器一样地正常运行,甚感轻松愉快,相反,
The journey of life will not be straight and straightforward, always have some ups and downs of things, that is to say happy and troubled. When people are happy walking legs are also energetic, even eating raw mussels also feel nourishing. Because people are happy when the body can secrete useful hormones, enzymes and acetylcholine and other substances. These substances can promote blood circulation, excite nerve cells, regulate the metabolic activity of various organs for the best state, and can enhance the body’s immune function, resulting in all organs functioning as the same as the machine, very relaxed and happy, on the contrary,