Everyone is in favor of free speech. Hardly a day passes without its being extolled， but some people's idea of it is that they are free to say what they like， but if anyone else says anything back， that is an outrage.
劳动力市场比传统模型假设的更具适应性。
我不必完美。我只需要尽我所能。
【释义】：当面赞誉他人的人往往不够忠诚，只注重外表修饰的人往往缺乏真情实意。
La memoria es fundamental para no repetir los errores del pasado.
科学的目标是寻求对复杂事实的最简单解释。