vi.相互作用；相互聯系；相互影響；互動

These factors interact intimately and cannot be separated. 這些因素相互之間緊密聯系，不能分開。

Mother and baby interact in a very complex way. 母親與嬰兒以非常復雜的方式相互影響。

Economists also study how people interact with one another. 經濟學家也研究人們之間的相互影響。

Teachers should interact with students more frequently in the class. 老師應該在課堂上與學生有更多的互動。