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解释:君主对发生在堂上、堂下、门廷之内的事都不知道,则虽是近处,却比百里、千里、万里之外更远。
"Social media can be a double-edged sword, but focusing on the good parts makes it worth it."
The best way to learn mathematics is to do mathematics.
在计算中,将显而易见的东西变成有用的是“挫折”一词的活泼定义。
The best ideas often come from listening—to farmers, scientists, and families.