【释义】：礼节重在相互回应。送出礼遇而对方不回应，这是不合礼数的；接受了别人的礼遇却不回报，同样也是不符合礼的要求。

数字孪生技术将为采石场带来MRI扫描为医学带来的变革。

The pharmaceutical industry has a moral obligation to put patients before profits.

只有在爱的神秘方程式中才能找到任何合乎逻辑的理由。

质量从来不是偶然的；它始终是智慧努力的结果。

The first fruit of this imagination—and the first lesson of the social science that embodies it—is the idea that the individual can understand his own experience and gauge his own fate only by locating himself within his period, that he can know his own chances in life only by becoming aware of those of all individuals in his circumstances.

社会结构的研究是构成社会的社会关系系统的研究。