occurrences
n．发生，出现：事情或事件的发生、出现或存在。
例句
The program counts the number of occurrences of any word, within the text.
这个程序可以统计任何单词在文本中出现的次数。
《牛津词典》
We can see past occurrences of climate change that took place over just a few hundred years.
我们可以看到过去几百年里发生的气候变化。
Some people are able to make it, to avoid immobilizing depression and unhappiness despite such occurrences.
尽管发生了这样的事情，有些人能够避免产生压抑和不快乐的情绪。
