contact engaging and separating force

例句：

1. 1. The two companies have a strong contactin the market.
   这两家公司拥有在市场上的紧密联系。
2. 2. The scientist contacted the research teamto share his findings.
   科学家与研究团队联系，分享他的发现。
3. 3. Thenew product has been wellreceived by customers, which isa good contact for future sales.
   新产品受到顾客的热烈欢迎，这对未来的销售是一个良好的联系。