He says child labor is an especially serious problem in West African countries.

VOA: special.2009.06.08

But the problem is that they primarily relied on cheap labor, cheap products, manufacturing to get here.

但问题是，中国仍然依赖于廉价劳动力，廉价产品，才有今天的成就。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

But the problem is that they primarily relied on cheap labor, cheap products, manufacturing to get here.

但问题是，中国仍然依赖于廉价劳动力，廉价产品，才有今天的成就。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选