bond between concrete and steel

例句：

1. 1. The company's success is largely due to strong internal and external bonds.
   公司的成功很大程度上归功于内部和外部的紧密联系。
2. 2. The two countries have a long-standing historical bond that has stood the test of time.
   这两个国家有着悠久的历史联系，经受住了时间的考验。
3. 3. The teamwork between the players is what makes their performance so impressive.
   球员们之间的团队合作是他们表现如此出色的原因。