The environmental protection is the most major problem which in the modern life the humanity faces. Must solve this problem must start from foundation. First, must massively propagandize, enhances people's consciousness with understanding, strengthens the environmental protection consciousness. Next, must carry on waste recovery use, reduces to forest-tree's felling. Also must strengthen to white pollution processing, little uses the plastic product. Finally, must make improvement to clean aspect. Causes the city's appearance to be neater. For Earth's tomorrow, we must start from the now diligently, will want the well local constable to protect the environment. To this us proposes as follows suggests: Implementation trash classification packed in bags. Like this not only can reduce the environmental sanitation worker's work load, but also can even better basically arrive makes use of waste, to reduce the pollution, saves the resources.

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作文地带知识拓展:

• 大学（university），是一个汉语词汇，拼音是dà xué，意思是古代指聚集在特定地点传播和吸收高深领域知识的一群人的团体；现指提供教学和研究条件和授权颁发学位的高等教育机关。

  英文释义：

  University; Universities; The Great Learning