这家报纸开辟专栏来讨论世界人口问题。
The newspaper devoted a special column to a discussion of the problem of the world's population.
这门课程将会进一步解释并分析这一世界人口问题。
This course will further explain and analyze this world population problem.
受到这些国家的生活方式影响，通常家庭人口很多，正是世界人口问题的根源所在。
Because of the lifestyles in these countries, families are very large, and this is the root of the world's population problem.
应用推荐