在地中海区域的早期文明中，拱形结构主要被运用在地下排水管上，但在地上建筑中首先发展并广泛使用拱门的是罗马人。

The arch was used by the early cultures of the Mediterranean area chiefly for underground drains, but it was the Romans who first developed and used the arch extensively in aboveground structures.

youdao

The first thing I'll say is, when you have a business that's changing very rapidly, if you have five or six meetings a year, it's incredibly hard for somebody on a board to know a whole lot about your business.

我首先要说的是，你的公司发展很快时，如果你每年开五，六次会，董事们会很为难,知道整个公司的情况。

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选