"The next thing is to work out how technology can be transferred from rich countries to poor countries and this will involve things like investment in renewable energy, investment in wind power and solar, investment in more efficient power stations,"

VOA: standard.2009.11.04

This is a much more efficient way to get DNA for a gene that you're interested for a couple of reasons.

用这个办法能更有效率地获取你,感兴趣的基因的DNA,原因如下

耶鲁公开课 - 生物医学工程探索课程节选