Using nature to improve focus of attention ought to pay off academically.
通过自然去改善注意力的集中在理论上应该是合理的。
Stress the civilization, improve the greenery, pay attention to safety, no smoking!
讲究文明，爱护绿化，注意安全，请勿吸烟。
Stress the civilization, improve the greenery, pay attention to safety, no smoking!
讲究文明，爱护绿化，注意安全，请勿吸烟。
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