请阅读下面的文字,根据要求作文。太阳朗照万物,给人间以光明,但太阳也产生黑子,且高山、树木的遮蔽,也会在大地上留下一道道阴影。这一现象不仅存在于自然现象中。正如列夫·托尔斯泰所说:“人生的一切变化、一切魅力、一切美都是由光明和阴影构成的。”请根据阅读后的感悟和联想,写一篇不少于800字的文章。 Please read the following text, according to the requirements of writing. The sun illuminates all things, giving the world a light, but the sun also produces sunspots, and the shadows of the mountains and the trees will leave a shadow in the earth. This phenomenon exists not only in natural phenomena. As Lev Tolstoy said: “All changes in life, all the charm, all beauty is composed of light and shadow.” Please read according to perception and association, write a not less than 800 Word article.