Robots will create double the number of jobs that they will destroy, according to the World Economic Forum (WEF), but there will be significant shifts in the structure of America's workforce that may impact everyone. The report says that 75 million jobs will be replaced by artificial intelligence (AI), robotics and automation. But it also suggests that 133 million new jobs may be created as organizations shift the balance between human workers and machines.

    It is a widely held belief that routine, low-skilled jobs are most at risk for automation, but the report shows that many middle-class roles are also at risk. Financial analysts, accountants and lawyers could all see significant changes by 2022. But manual workers could be among the hardest hit.

    Meanwhile, there could be a huge change in the structure of the workforce, with the executives surveyed by WEF expecting a shift away from full-time work to flexible employment with a focus on productivity.

    All industries expect big skills gaps, stating that at least 50 percent of their workforce will require reskilling of some degree. The aviation, travel and tourism industry will have the largest demand for reskilling.

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⑴这一现象产生的原因有哪些(不少于两点)；

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