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., f2 Z# D Q' X5 Z
8 x* |4 j7 y; {. u; l* [% E---cbc8 |) L+ o4 O' R8 Z) V
, O* ^ }. Z% r% ^7 q. j. S+ `large public works plan # d* s: M- X9 N' S" s. D& d/ O会有多大的意义