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

Population growth maybe the biggest challenge in today's world.

Population growth is perhaps the biggest/greatest challenge in the world today 或者
Population growth may be the biggest/greatest challenge in the world today

Population growth currently may be the biggest challange to the world.