The upward movement follows U.S. president-elect Barack Obama's weekend pledge of a large public works plan to stimulate the economy and signs that North American automakers will get at least some of the government aid they've been seeking. * J% w9 s+ Z2 A$ O& D2 P+ m. p3 s3 r |$ r8 f5 b
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large public works plan+ n T) G$ A3 t' Q7 [
会有多大的意义