某些问题，比如腹泻、发烧、淤血、出疹、呕吐等这些是不是由长牙引起的，专家们对此一直有争议。

There's debate among experts over whether certain problems - like diarrhea, fever, congestion, body rashes, and vomiting - can be caused by teething.

youdao

与之相反，只有10%的女人承认她们经历过一见钟情，大多数的女人会等到6次约会之后，方能判断出对方是不是自己的真命天子。

In contrast, only one in ten women said they had experienced love at first sight. Most waited until at least the sixth date before deciding whether or not they had found the 'real thing'.

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但是即便到这一步后，我们还是不清楚出ping . fm是否已经能正确的识别你的专页，或者这些设置是不是只适用于你的个人用户页面。

Once there, it's not even clear if they've correctly identified your page or if those Settings refer to your user profile instead.

youdao

First, it's pointing to the beginning of the list, which initially might be down here at but after a while, might be part way through. And to that, I simply add a halfway point, and then I check.

列表中间的一个部分了，然后我求出列表的中值点,然后看看该点的值是不是等于目标值，如果是的话就完成了，如果不是的话，如果中位值大于我要找的目标值。

麻省理工公开课 - 计算机科学及编程导论课程节选

It all sort of depends on how you hit it off with somebody, whether there's a spark.

这要看你是不是跟那个人合得来，能不能擦出火花。

跟校友们的关系 - SpeakingMax英语口语达人

How can Milton know that he was really and truly called by God to be a great poet until he writes something - it's not a bad question - until he has something actually to show for his talent?

弥尔顿怎么知道他是不是真的被,上帝选中了去做一个伟大的诗人,除非他真的创作出点儿什么--这是一个不坏的问题,-直到他真有可以证明自己才能的作品？

耶鲁公开课 - 弥尔顿课程节选