哥斯达黎加外交部表示，仍有一些乘客下落不明，但没有说明具体有多少人。

Some passengers remain missing, the Costa Rican foreign ministry said, but did not specify how many.

youdao

有一些证据可以说明维生素b难逃干系。

There is some evidence that B vitamins may play a role.

youdao

但我们有一些良好的政策工具可以处理这些挑战，而且我们有一些可靠的理由说明可以乐观。

But we have some good policy tools for managing them, and we have some solid reasons for optimism.

youdao

Then when you see graphs like this and you see these stars, then that links down here to the significance level.

如果看到这样的图,上面有一些星形,图下方还有显著性水平的说明

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

It's one thing to be clear-- a couple of things to be clear about.

但有一点是需要说明,有一些东西需要说明

耶鲁公开课 - 死亡课程节选

And there are other examples as well, but that's why it's important.

同样也有一些其他的例子,但这就很能说明问题

耶鲁公开课 - 生物医学工程探索课程节选