基本解釋開張英漢例句雙語例句They began to believe that their way of doing business was failing, and that their incomes would therefore shortly begin to fall as well.他們開始相信自己的商業(yè)經(jīng)營方式落伍了，也相信不久他們的收入也會(huì)因此而下降。begin doing business更多例句