因而环境问题正成为世界关注的焦点。
Therefore environmental questions are becoming the focus that the world is paying close attention to.
21世纪水资源短缺问题是世界关注的焦点。
Water resource shortage will be the focus all over the world in 21st century.
目前，能源和环境问题已成为世界关注的焦点。
Currently, energy and environmental issues has become the focus of world attention.
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