雨落风残

1 In 1950, the US has fewer working hours than any other industrilised country.

2 The work weeks have remained at about 40 hours,but people are working more weeks each year.

3 The wages have been reduced. Workers have added hours in overtime or extra jobs to preserve their living standards.

雨落风残

还有前西德的数据，这个资料够老了。