研究显示仅有五分钟的户外锻炼都能大大改善你的情绪及自尊度，而且有精神障碍的人受益最多。
The research showed that both areas get a significant boost with as little as five minutes of outdoor exercise. And people with mental disorders benefitted the most.
在未来五年到十年，伊拉克有望成为新石油的主要供应源，但提高产量的进程面临众多障碍。
Iraq has the potential to be a major source of new oil in the next five to 10 years, but the process of scaling up production faces many obstacles.
五年级时，早期存在注意力障碍的儿童取得的学习成绩和阅读成绩，都低于同龄儿童。
By fifth grade, children with early attention difficulties had lower grades and reading achievement scores than their peers.
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