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狮群中新狮王的诞生便意味着老狮王的离去。网坛上一个新王者的诞生同样意味着一个过气的王者要离开曾经占据的王座。
The birth of a new lion in a lions group means the departure of the old lion king. The birth of a new king on the tennis court also means that an overlord of gas leaves the throne it once occupied.