A service contract is binding on all participants in the interaction, including the service itself and the element that provides it for the particular interaction in question.

在交互过程中，服务契约与所有参与者进行绑定，包括服务本身和为特定的交互活动提供服务的元素。

youdao

I wasn't expecting any interaction with the audience and was thrown off balance by his question.

我没有预料到会与观众进行互动，他的问题使我慌乱起来。

youdao

At present, the question of interaction between superstructure and foundation is paid attention to more and more by project circle.

目前，上部结构与地基基础共同作用问题越来越受到工程界的重视。

youdao

However that may be, no question about it, there was contact, interaction,and influence.

不论怎样,毫无疑问,这些文明相互交流,相互作用,相互影响

耶鲁公开课 - 古希腊历史简介课程节选

This study showed without question that collaboration is grounded in human interaction and relationships.

FORBES: Connect