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可可英语每日一句口语：
Nothing great comes easily. You have thrilling hurdles to overcome around every corner in order to achieve greatness in this world.
万事来之不易。你要克服千难万阻，最终站在世界之巅。
【知识点讲解】
hurdle n.障碍，困难
例句：
Once he had leaped the psychological hurdle, preparation took over.
一旦他逾越了心理上的障碍，准备也就开始了。
