非常感谢。关于文中的一个问题就是Although people have solved various problems during the long human history, such as some diseases, long distance traveling, and increasing productive efficiency by using machines, and we have a higher quality life than before, people are facing or will face more new problems as the development of technology and economy in the world. 红色的地方是并列结构,而people are facing开始是转折,不知道这样可以不。适不适用although 句式