它的象征意义可能来自于橄榄树需要很长时间才能结出果实，所以橄榄只能在长久的和平时期才能被成功种植。
The symbolism may come from the fact that the olive tree takes a long time to produce fruit, so olives could only be cultivated successfully in long periods of peace.
“海平面上升是一个缓慢得多的事情，因此将需要很长时间才能发生，但我们将基于本世纪达到的二氧化碳峰值锁定它的水平。”所罗门说。
"The sea level rise is a much slower thing, so it will take a long time to happen, but we will lock into it, based on the peak level of [carbon dioxide] we reach in this century," Solomon says.
你需要很长时间才能专心的忙你的工作，需要什么信息，要用什么工具来完成它等等。
It takes a number of minutes to get into what you were doing, what information and tools you need for the job and so on.
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