求翻译：2010年世博会将在上海举行，其命题“城市让生活更美好”，预示着上海及其他城市将要利用和改造自然环境而创造出来的高度人工化的生存环境，造福全体城市居民.二十一世纪是一个绿色的世纪。日本爱知举行的世博会的主题是“自然的睿智”。从这点可以看出人们对自然，对生态越来越关注。二十一世纪主导的住宅是绿色家园，二十一世纪主导的食品是绿色食品，二十一世纪主导的的环境是绿色环境。绿色也是人类的永恒主题。绿化就是体现绿色的一个重要环节。让我们从现在行动起来，让城市多一份绿色，添一份活力是什么意思？

World Expo 2010 will be held in Shanghai, the proposition "better city better life" signifies the transformation of Shanghai and other cities that will be used, and the natural environment and the creation of highly artificial environment for the benefit of all citizens. 21st century is a century of green. Japan Aichi World Expo to be held is the theme of "nature's wisdom". From this point, we can see people on natural, ecological concern. 21st century leading residential green homes, leading green food is the food of 21st century, 21st century environment is dominated by green environment. Green is the eternal theme of humanity. Greening is to reflect an important part of the green. Let us act now, make cities more green, add vitality