Once we have those classrooms, the stuffing cost is to be designed to be the same as what we currently use in personal physics.

一旦我们建成这些教室，其他的人员成本应该,和现在投入到物理教学,所用的成本一致。

麻省理工公开课 - 媒体、教育、市场课程节选

In the next example you can use "I'm sorry" not to express regret for your personal fault.

下一个例句中，“I'm sorry”的使用并不是用来表达对个人过失的抱歉。

I'm sorry 课堂 - SpeakingMax英语口语达人

It doesn't tell you this is my hometown and this is Japan and so forth. It gives you a lot of visual cues that you use in my personal journey to see what Japan is like on a personal level.

就在于车上没有人说话，它不直接告诉你这是,我的家乡，这是日本等等，它给你许多,视觉提示，你会通过这些提示,从个人的角度看日本。

麻省理工公开课 - 媒体、教育、市场课程节选