无盐土豆，粗茶淡饭

aches and pains───痛苦；不适；各种各样的病痛

a case in point───恰当的例子

case in point───恰当的例子

diamond point───金刚石刻刀；[铁路]铁轨交叉菱形

interesting point───兴趣点

isolated point───[数]孤立点

potato ring rot───马铃薯环腐病

The poor family had for dinner potatoes and point.───这个穷苦家庭三餐粗茶淡饭。