In most cases, well-designed systems of covering or encapsulation do appear to work.在大多数情况下，设计良好的覆盖或封装系统似乎确实管用。Toney has been held up as the encapsulation of everything that is both good and bad in boxing.托尼被视为体现拳击运动积极与消极方面的典型。The book is an encapsulation of the history of marathons.这本书是对马拉松历史的概括。