throw-over switch

例句：

1. 1. The team decided to throwover the old coach and hire a newone.
   球队决定解雇旧教练，聘请新教练。
2. 2. The company's decision toswitch to a new supplier has had asignificant impact on its profits.
   公司决定更换供应商，这对它的利润产生了重大影响。
3. 3.She threw over her old job and starteda new business.
   她放弃了她的老工作，开始创业。