irredeemable bond

例句：

1. 1. The couple'sirredeemable bond was the drivingforce behind their decision to stay together.
   这对夫妇之间牢不可破的关系是他们决定共度余生的动力。
2. 2. The friendship betweentwo friends is an irredeemablebond that cannot be broken.
   两个朋友之间的友谊是一种牢不可破的关系，无法被破坏。
3. 3. The company's irreparableloss of its top executive has led toa crisis in its operations.
   公司失去了其顶级执行官，导致运营危机。