在弦理论中，所有粒子都是微小超对称弦的振动。
In string theory, all particles are vibrations of a tiny supersymmetric string.
In itself, homosexuality is as limiting as heterosexuality: the ideal should be to be capable of loving a woman or a man; either, a human being, without feeling fear, restraint, or obligation.
"The challenge in machine learning is not just to find patterns in data, but to find patterns that generalize to new, unseen data."
文学是时间的见证，记录着人类的情感和思想。