‘How we’re going to feed 9 billion people by 2050 is a daunting question,’ Mr Kunzig said.
昆齐希说：“到2050年，我们怎么养活90亿人口，这是一个令人头疼的问题。”
2
'With the population still growing by about 80 million each year, it's hard not to be alarmed,' said Robert Kunzig, author of an article entitled '7 Billion' in National Geographic magazine.