[求助]xdf-37-1

fair_sword

3题，这个地方取非

Other observers link high Japanese productivity to
  higher levels of capital investment per worker. But a
  historical perspective leads to a different conclusion.
  When the two top Japanese automobile makers
  matched and then doubled United States productivity
(20) levels in the mid-sixties, capital investment per
   employee was comparable to that of United States
   firms.