骑过自行车的人想必都有这种体会:上坡费力,下坡轻松。可笔者认为,下坡省力,似乎是一种享受,可它容易使人懈怠;上坡辛苦,却可以充分感受努力和奋斗的乐趣。业精于勤荒于嬉。对于青年人来说,更应该在宝贵的青春时光里,不懈的努力和奋斗,为实现自己的人生理想打下坚实的基础。一句谚语这样说道:青年时代的锻炼比黄金还贵 People riding bicycles must have this experience: uphill, downhill easily. But I think, downhill effort, seems to be a pleasure, but it is easy to make people slack off; ups and downs, but you can fully experience the fun and hard work. Diligence neglected in play. For young people, it is even more necessary to make unremitting efforts and hard work in precious youth and lay a solid foundation for realizing their own ideal of life. A proverb says: Exercise in youth is more expensive than gold