也许有些人已经拿到了，但我们不能确定。

It may be that some have them already, but we cannot be sure.

youdao

例如，一个公司也许能够准确地估计它将销售的鞋子总数，但它可能不确定哪一种特定类型的鞋子将比其他类型的鞋子卖得更多。

For example, a company may be able to estimate accurately the aggregate number of shoes it will sell, but it may be uncertain about which specific types of shoes will sell more than other types.

youdao

我不确定你的鱼是否能记住你的脸，但如果它能以其他方式记住你，也许是通过你走向鱼缸时的脚步声，我也不会太惊讶。

I'm not sure that your fish will be able to remember what your face looks like, but I wouldn't be too surprised if it could remember you in other ways, perhaps by the sound of your footsteps as you walk towards the tank.

youdao

Now I don't know, I may be different than other people, but I think organic chemistry is really interesting.

但我不确定,也许我和他人不太一样呢,我认为有机化学很有趣

耶鲁公开课 - 金融市场课程节选

I'm not sure... maybe the fact that people can travel a lot.

我不确定……也许是人们经常旅行吧。

关于罗马尼亚 - SpeakingMax英语口语达人

There may be uncertainties of that nature but certainly not the uncertainties of early humans.

也许还有其他的不确定因素,但这绝不等同于早期人类的不确定因素

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选