A start node can only issue control flow, while stop and end nodes can also receive data flow.

开始节点只能发出控制流，而停止和结束节点还可以接收数据流。

youdao

Automatic faucets use an electronic sensor to start and stop the flow of water when people wash their hands.

VOA: special.2011.04.06

The IPO market got off to a strong start in 2011 in terms of deal flow, but the European financial crisis kicked in over the summer and put a stop to the offerings.

FORBES: 5 Worst IPOs of 2011