The road to peace will be long and drawn-out.

通向和平的路将是漫长而延宕的。

《柯林斯英汉双解大词典》

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.

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。

youdao

As never before in their long history, universities have become instruments of national competition as well as instruments of peace.

在其漫长的历史中，大学从来没有像现在这样，成为国家竞争和争取和平的工具。

youdao

Ancient Greek myths told of a time long ago when people lived in peace and happiness.

VOA: special.2010.06.06

Pax Romana This led to what we famously call the Pax Romana, "the Roman Peace," because you had the end of long, hundreds of years of civil wars and other wars, at least within Rome itself.

这导致了著名的，即“罗马和平“，因为长达几百年的，内战及大小战争终于结束了，至少在罗马本土结束了。

耶鲁公开课 - 新约课程节选

But thoughtful people did not believe that peace would last long.

VOA: special.2009.04.16

Finally, what about the long peace that has held among the great powers for the better part of six decades?

WSJ: Robert Kagan on Why the World Needs America

Though it's tempting to attribute the Long Peace to nuclear deterrence, non-nuclear developed states have stopped fighting each other as well.

WSJ: Steven Pinker: Why Violence Is Vanishing

Historians sometimes refer to it as the Long Peace.

WSJ: Steven Pinker: Why Violence Is Vanishing