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牛鸣而马不应,非不闻牛声也,异类故也。
牛大叫,但马却不回应;不是因为马没听到声音,是因为它们不是同类啊。点评:同类之间存在着客观联系,故能相应。
The secret of good baking is to keep it simple.
市场是一位伟大的老师,但它收取高昂的学费。
Overfishing is a failure of management, not a failure of the ocean.
A theory that lacks beauty is unlikely to be correct.