bon

例句：

1. 1. The bond between the two countries is strong.
   两国之间的联系很紧密。
2. 2. He felt a sudden urge to call his sister.
   他突然感到想给他的妹妹打电话。
3. 3.The bond between family members is unbreakable.
   家庭成员之间的联系牢不可破。