Once the time has expired, a short window of opportunity will occur, in which new players can enter the zone for combat, before the window again closes the zone.

一旦到期，将会出现一个小机会窗口，新玩家可以在窗口关闭前进入该区域进行战斗。

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For example, firefighters are in high-risk in fire fighting combat, when they may have to enter complex high-rise buildings. The fire scene is complicated.

例如，在消防作战中，消防队员的工作性质高度危险，他们可能会进入一些复杂的高层建筑，消防员的自身安全就成为问题。

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For example, firefighters are in high-risk in fire fighting combat, when they may have to enter complex high-rise buildings. The fire scene is complicated.

例如，在消防作战中，消防队员的工作性质高度危险，他们可能会进入一些复杂的高层建筑，消防员的自身安全就成为问题。

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