Athough the dollar received a lift when markets were collapsing in late 2008 and early 2009, its trade-weighted index is within 2% of where it was when Lehman Brothers crumbled. % K9 T. X8 ~- q6 I4 u# D; ^6 X请问大家,在这里面这个where 是个什么用法,修饰的什么?。从trade-weighted 后的句子怎么解释?谢谢! 7 Z9 f$ H% s8 i. G