"专业人士强调不要相信速效美白保湿产品的功效，真正能看出效果的美白保湿保养一般需要持续45-60天，为求肌肤白嫩，这是一段绝对值得投资且尚不算长的等待时间。
　　25
岁后的肌肤再不会自动恢复白皙：在25岁之前因适应性色素沉淀而产生的变黑及斑点，一般都具有可逆性，即还可以自己慢慢变回来。一旦过了25岁，肌肤状况便开始走下坡路，一些斑点失去了自动的可逆回转，这时就需要美白保湿产品的保养，来帮助肌肤恢复原有的白皙。
"

This is a story about one path leading to the final success is people's endurance and resolution,of course, some certain good luck also count.
Let's give some further explanation about this path. First of all, as an indispensible element resulting in success, endurance plays an important role in the course of people's life.Directly speaking, it's hard for people to get to his destination without it.As for the resolution,just like the hero performing in this movie, determines his final fate. He has dream in his deepest heart, and he has the resolution to make it come true, eventually, by means of it, his dream has been realized.
Above these elements mentioned above, good luck is also important.Sometimes, it can help push things forward.
In all,we can not be of successful without our hard work.

50字你也要求啊……又不是500字。
你就写点你怎么联想人生或是对他的人生看法。
电影主要讲的不就是他的经历么。
你也围绕着他的经历做文章就行了。
如果你的老师上网就有可能知道你从网上抄了一篇。
但是自己写的驴唇马嘴的也不能叫他满意，但至少他也会知道是你写的。