head-to-head association

例句：

1. 1. The two companies are in a head-to-head competition for the market share.
   两家公司在市场上争夺市场份额。
2. 2. In sports, head-to-head competition is often seen as a measure of skill and athleticism.
   在体育比赛中，直接竞争常被视为衡量技能和体能的一种方式。
3. 3. The company's strategy was to create a head-to-head association with its competitors.
   该公司的战略是与竞争对手建立直接竞争关系。