存些钱，以备急需现金时作为缓冲。

Keep savings as a buffer against unexpected cash needs.

巴菲特写道，伯克希尔将继续产生大量现金，而公用事业公司、铁路公司这类急需现金的公司则是这些现金最佳的去处。

Berkshire will continue to spit out large amounts of cash, he wrote, and cash-hungry firms like utilities and railroads are among the best outlets for those dollars.