知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。 This section focuses too much on specific examples without explaining their importance to its main subject. Please help improve this article by citing reliable, secondary sources that evaluate and synthesize these or similar examples within a broader context. (June 2016) I've heard people say "We beat https://youtu.be/T0zWXvhEQwo?si=wNc6ihu97ShtIl7u