update一行多个:帮忙翻译一下，不要用软件，英语高手请进！

The 2010 World Expo is a major challenge facing the still fragile public transportation system. The Expo is expected to bring about 70 million visitors to the city between May 1 and October 31 in 2010. "Combined with the number of other visits to the city, Shanghai expects to handle around 140 million visitors that year," Zhou said.

Unemployment issue

The issue of unemployed youth in the city was brought up by Congress members from different districts at yesterday's meeting.

This new group of unemployed people is calling for solutions for their problems.

According to Vice Mayor Zhou Taitong, the registered unemployment rate remained at around 4.5 per cent last year. But the number of unemployed between the ages of 20 and 30 increased.

Zhang Yuanyuan, a Congress deputy from Yangpu District carried out an investigation in 2005 in the Chen'er Residential Community where she lives. Of the 65 cases of quarrels and even fighting revealed by the survey, one-third involved unemployed young people in the families.

"Unemployment of young people now has become their parents' biggest problem," she said, referring to them as "ken lao zu," meaning youngsters who devour their parents.

Ji Lanfang, an officer from the Social Work Association of No2 Ruijin Road in the Luwan District, pointed out that the direct cause of the increasing unemployment in this age group is that the number of students recruited by the universities and colleges were increased drastically in the last few years. "Now more and more students are graduated from the universities, but the job opportunities have not increased accordingly," she said, adding that the problem would become serious if it could not be solved quickly.

Congress deputy Gan Weigang, also an official of the Zhabei Labour and Social Security Bureau, said the Expo in 2010 would be a good opportunity for resolving the problem. "Local government should support the new industries which the Expo will bring," he said.

According to Zhou Taitong, two vocational education centres have been put into use and four others are expected to open to unemployed young people in a few months. "In the future, the municipal government will ask all the district governments to build similar centres," he added
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