TED Talk 
Rose Goslinga: Crop insurance, an idea worth seeding

Rose Goslinga 簡介:

http://www.ted.com/speakers/rose_goslinga

 

easondefa生產
TED Talk  Rose Goslinga: Crop insurance, an idea worth seedingRose Goslinga 簡介:http://www.ted.com/speakers/rose_goslinga