教育是最有力的武器,可以改变世界。
Education is the most powerful weapon which you can use to change the world.
即使在困难时刻,我也总是努力保持积极。
The permanence of certain urban artifacts gives them the quality of monuments.
The novel is a mirror that reflects the complexities of human nature.
复杂性理论告诉我们,并非所有问题都是平等的;有些问题本质上比其他问题更难。
写作需要一颗心。没有激情,我什么都不是。