我们的角色是保证你们安全的抵达这次循环的终点，让你们所有人都有机会提升。
Our role has been one of ensuring that you safely reach the end of this cycle, and that you all have the opportunity to ascend.
传统手扶电梯的工作原理是依靠楼梯上升后，在终点处回环，再变做楼梯下面继续运行，从而实现楼梯的颠倒，重复循环使用；
The traditional escalator works by turning the steps upside down and looping them underneath the staircase to take them back to the start.
中国人认为时间是没有终点的并成循环运动的状态，因此他们倾向于在同一时间段内做多项工作。
Chinese negotiators view time as an endless cycle so they make a poly-chronic use of time.
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