写一篇英语作文:要求如下:假如你是李华,你的美国网友Lisa最近给你发来一封电子邮件,告诉你他们要写一篇有关太空观光旅游的文章,想请你帮他分析一下太空观光旅游的优缺点.请你给Lisa写一封回信,内容包括一下要点:1、你对太空观光旅游的看法；

Space tourism has both advantages and disadvantages. Advantage is that it can make people relax, very interesting, because it is a novelty for the people. The drawback is that it exists security hidde...请你词数在多一点150词左右 谢谢请你词数在多一点150词左右 谢谢请你再仔细看看要求，适当发挥，加入自己的观点，谢谢您