chain acmour

例句：

1. 1. The police found a chain of clues that led them to the suspect.
   警方发现了一系列线索，将他们引向嫌疑人。
2. 2. The chain of events began with an accident and ended in tragedy.
   一连串的事件始于一起事故，以悲剧告终。
3. 3. The chain of responsibility extends from the top down to ensure accountability.
   责任链从顶层向下延伸，以确保问责制。