三、Short Essay Writing：（20 分） Philippines President Duterte in a recent speech named Taiwan as a source of drugs, and later in another speech he said that the Philippines was a client state of the Taiwan-based organized crime group as the main sources of illegal drugs entering his nation. Although no solid evidence has been found to support Duterte’s allegation, drug abuse is no doubt one of the greatest problems facing Taiwan. Discuss the issue in a short essay of 250 words.