For as long as I can remember, Mom has been a middle-aged woman, but no one told me she used to be a young girl.
从我们记事起,妈妈就是一个中年妇女了,可谁又知道,她也曾是个花季少女。
质量不是一种行为,而是一种习惯。
我练习得越多,我就越幸运。
科学的每一个伟大进步都源于想象力的新大胆。
Life is composed of lights and shadows,and we would be untruthful,insincere,and saccharine if we tried to pretend there were no shadows.