1.Scientists have revealed that air pollution may be responsible for a significant reduction in intelligence.
be responsible for 是...的原因
But he said they also agreed that business executives be responsible for their failures.
但是各国领导人也同意公司执行长要为他们自己的失败负责 。
2.Governments really need to take concrete measures to reduce air pollution.
concrete measure 具体措施
And based on this, the paper has probed into the concrete measure of the reform of property right.
并以此为基础,具体探讨了产权制度改革的措施 。