人口增长也许是当今世界最大的挑战英文怎么说
问题描述：
人口增长也许是当今世界最大的挑战英文怎么说
答
Population growth currently may be the biggest challange to the world.
人口增长也许是当今世界最大的挑战英文怎么说
Population growth currently may be the biggest challange to the world.