他说:“我们的确需求有增加。”许多是由于世界快速增长所导致的。
"We really had a surge in demand, and a lot of this occurred as a result of rapid world growth," he said.
她还说,这也可能是由于世界不同地方的结核分枝杆菌种群的遗传差异造成的。
It could also be caused by genetic differences between M. tuberculosis populations in different parts of the world, she adds.
由于世界越来越错综复杂,更多的人意识到了他们的权利,并且有能力去获得这些权利。
As the world grows more interconnected, more individuals are gaining awareness of their universal rights and have the capacity to pursue them.
That meant that people growing corn were less-- less vulnerable to having things wipe out entire crops because there were different types of crops planted around the world, so the world corn supply would never be threatened by anything.
也就是说只要人们种植玉米,整个粮食体系就不可能那么轻易被摧毁,由于世界各地种植着不同品种的玉米,世界玉米供应不会受到任何影响
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