在初创的岁月里，对于传教团的目标和方向的选择对整个传教时期具有决定性意义。
The aim and direction chosen for the mission during the years of foundation came to be decisive for the whole mission era.
这决定性的一步将带领你向达到目标的方向前进。
This crucial step will get you moving towards achieving your aspirations.
一个观察者对象接收到了状态更改的通知(箭头所指的方向)，然后，该观察者本身也作为被观察目标，它然后决定在下一步通知哪些它自身的观察者。
As notification of state changes are received at an observer (at the arrowhead), the observer, acting as an observable, can decide which of its own observers it will notify further.
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