It is a crippling population problem that could be worse than any global economic slowdown.
人口年龄层失衡的问题，将比全球经济衰退更严重。
The population problem is a world problem.
人口问题是一个世界性的问题。
First of all, people began to realize the population problem.
首先，人们开始认识到了人口问题。
The population problem may be the greatest one in the world today.
人口问题可能是当今世界上最大的一个问题。
The population problem may be the greatest one of the world today.
人口问题也许是当今世界上最严重的问题。
They never knew that the population problem would become so serious.
他们根本不知道人口问题会变得这么严重。
This course will further explain and analyze this world population problem.
这门课程将会进一步解释并分析这一世界人口问题。
Population problem is seen as a high priority.
人口问题被看成是一个重要问题。
Population problem is seen as a high priority.
人口问题被看成是一个重要问题。
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