Needed Part of the reason the validity of the emotional aspects of PMS is being doubted is the lack of scientifically-sound studies on the matter.

经前综合症情绪方面的合法性之所以受到质疑，一部分是因为对此问题缺乏科学合理的研究。

youdao

Very easy to produce lots of examples of fallacies and the simplest way to avoid it is simply to highlight that being doubted by me to be something is not a genuine property of the object.

要列举出这样错误的例子非常容易,避免其发生最简单的方法就是,强调我所怀疑的物体其真正的属性。

youdao

As the human being that I was, I sometimes became desperate and doubted the value of the journey I undertook.

作为人类，我有时变得很绝望，怀疑我所从事的工作的价值。

youdao

Mr. NELSON KAPEREMERA (Director Basic Education, Malawi): We still have some communities where the value of education for girls is still being doubted, because in the past they were valuing sending boys to school.

NPR: The Missed Education of African Girls

No one doubted that something dreadful was about to happen to the naked Christ, who was being prodded up the incline by the paratroopers.

NPR: Excerpt: 'Legends'