Key words to take away from this: a long time ago.
把这个关键词去掉吧：很久以前。
Education is one of the key words of our time.
教育是我们这个时代的关键词之一。
Education is one of the key words of our time.
教育教育是我们这个时代的关键词之一。
Description which describes the time and reasonable on the key words repeated once or twice.
Description里面描述的时候，合理的对关键词重复一两次。
Description which describes the time and reasonable on the key words repeated once or twice.
Description里面描述的时候，合理的对关键词重复一两次。
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