We should concentrate all our efforts on improving education
We should concentrate all our efforts on improving education.集中于某处；使集中于一点 concentrate rays of light into a focus把光线集中在焦点上 ..
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concentrate vt, vi 集中（注意力、思想等），集中于某处；使集中于一点 Concentrate on your work. 集中精神工作。
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