cast one's bread upon the waters

例句：

1. 1. The athlete cast hisball far into the field.
   这位运动员把球扔得远远的。
2. 2. Shecast her eyes over thelandscape.
   她环顾四周的风景。
3. 3. Cast your mind back to when youwere younger.
   回想一下你小时候的样子。