由此，误会就时不时地发生在今天这个文化交叉碰撞的世界里。
Thus, misunderstandings happen now and then in today's world of cultural crossroads.
同样的事情发生了——孩子中的一两个会时不时地出现并加入到园艺工作中。
The same thing happened—one or two of the children would appear and join in the gardening from time to time.
时不时地，会有一些严重的空气污染事故发生。
From time to time there are serious accidents that pollute the air.
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