To put it briefly, only if people consciously interact like the first example, it is considered social interaction.

简而言之，只有当人们像在第一个例子里那样有意识地互动时才能称之为社交互动。

To put it briefly, while healthier food may be good for the students, the school probably have to pay more for this option.

简单地说，尽管更健康的食物可能对学生有好处，而学校可能需要为这个选择花费更多。

I suggested that he try different tactics. To put it briefly, this is what happened. We staged a debate between members of the course on whether the spread of the chain store is doing the country more harm than good.

我向他建议尝试其他营销策略，为此，我们在培训课上展开辩论：连锁店的四处蔓延是否给这个国家带来危害而非利益。