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.4 z/ D* [" W4 ^# A% S
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large public works plan ^6 Y! h0 e6 h5 E. R. p; w会有多大的意义