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最好的数学不仅正确,而且具有启发性。
The strength of liberal democracy lies in its ability to self-correct and reform.
今天我们种下的每一棵树都是留给未来的遗产。
The essence of education means: one tree shakes another, one cloud pushes another, one soul awakens another.
I'm not gonna sing about love if I don't feel it.