vi.相互作用；相互联系；相互影响；互动
These factors interact intimately and cannot be separated. 这些因素相互之间紧密联系，不能分开。
Mother and baby interact in a very complex way. 母亲与婴儿以非常复杂的方式相互影响。
Economists also study how people interact with one another. 经济学家也研究人们之间的相互影响。
Teachers should interact with students more frequently in the class. 老师应该在课堂上与学生有更多的互动。
