Johnson says he has learned from mistakes made in Paris, where many of the bikes were stolen or thrown into the river.

VOA: standard.2010.07.30

Whether we make mistakes or not, we got to keep after it.

不论会不会犯错，我们都必须支持。

斯坦福公开课 - 微软CEO-Steve.Ballmer谈科技的未来课程节选

He says the possibility of other mistakes in the report is minimal, or non existent.

VOA: standard.2010.01.23