The symptoms will clear up of their own accord.

症状将会自行消失。

《牛津词典》

When Aunt Wang was building a new house, many villagers came of their own accord to help her.

王大妈盖新房，村民们自动来帮忙。

《新英汉大辞典》

Will India’s family firms fade of their own accord, too?

印度的家族企业是否也会面临自主衰退呢？

youdao

So we now have a real usable criterion to help guide our understanding of whether things happen by themselves of their own accord or not.

所以我们找到了一个非常有用的判据,这个判据能够指导我们,弄明白变化是否,是自发发生的。

麻省理工公开课 - 热力学与动力学课程节选

They do it of their own accord,

她们按照自己的意愿做，

学习靠自觉 - SpeakingMax英语口语达人

The phenomena is known as "emotional contagion, where if you're facing somebody, for instance, and they're they look at you in a face of absolute rage, it is very difficult to just sit there without your own face molding in accord to their own.

这种现象就是情绪感染，例如，你看着某人，他们怒气冲冲看着你，你很难只是坐在那里,不去回应他们的愤怒。

耶鲁公开课 - 心理学导论课程节选

Some do so of their own accord, but most have no say in the matter.

ECONOMIST: A dark side to family life in Japan

Sometimes at least they stop of their own accord: could be solar action, could be feedbacks.

FORBES: If the MWP Was Global What Does That Tell Us About Climate Change Now?

He said the protesters left of their own accord and the police turned up later.

BBC: Carrickfergus Town Hall