contact gap

例句：

1. 1. The team needsto maintain a contact gap between their playersto prevent cheating.
   该团队需要保持球员之间的联系间隔，以防止作弊。
2. 2. Theresearcher found that the contact gap betweendifferent species of plants was crucial for theirsurvival.
   研究者发现不同植物物种之间的接触间隔对于它们的存活至关重要。
3. 3. Thetwo countries have a significantcontact gap in terms of tradeand diplomacy.
   这两个国家在贸易和外交方面存在显著的接触间隔。