(Speaking) He says things can happen in this world but he spent a week in South Africa and has seen that the people are good and very friendly.

VOA: standard.2010.01.22

On last week too we saw-- and in your projects you might have seen a so-called repeat loop.

在上个星期-,在你们的工程里面，可能会看到所谓的,“重复循环“

哈佛公开课 - 计算机科学课程节选

On last week too we saw-- and in your projects you might have seen a so-called repeat loop.

在上个星期-,在你们的工程里面，可能会看到所谓的,“重复循环“

哈佛公开课 - 计算机科学课程节选