if economic forecasting can make weather forecasting

if economic forecasting can make weather forecasting

所有跟贴·加跟贴·新语丝读书论坛

送交者: JJZ 于 2009-07-28, 10:57:03:

回答: 具体怎么做？由校长于 2009-07-28, 10:49:05:

农民在预计灾害来前，先买好粮食。再买期货，灾害来后套现。农民也就不用种地了。