名词
中文翻译：直接交换作用
同义词：
['direct interaction', 'direct contact', 'direct communication']
例句：
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1. The two companies have a direct exchange interaction in the market.
这两家公司拥有市场间的直接交流互动。
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2. Direct exchange interactions are essential for effective teamwork.
直接交流互动对于有效的团队合作至关重要。
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3. The researchers found that direct exchange interactions can improve learning outcomes.
研究人员发现，直接交流互动可以提高学习成果。