The past is a shadow, always following, but never catching up.
选择朋友要慢,改换朋友要更慢。
I'm not a girl, not yet a woman.
"The best stories are those that stay with you long after you've turned the last page."
机器学习的未来在于开发能够从更少的例子中学习并更有效地进行归纳的算法。
导师的职责是指导孩子的智能活动和孩子的心理。