5.As a popular saying goes “Everything has two sides.” (分析利弊)常言道：“事物总是一分为二的”。如今人们从科技发明中得到越来越多的好处。另一方面，科技进步也给我们带来了许多麻烦。现在许多国家的人民饱尝公害之苦。As a popular saying goes, “Everything has two sides.” Now people (the public)are benefiting more and more from scientific and technological inventions. On the other hand, the progress of science and technology is bringing us a lot of trouble. People in many countries are suffering from public hazards.
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