A barometer is useful in predicting the weather.

气压计在预测天气方面很有用。

Yet, for all that, it's being useful there.

但尽管如此 它还是有用的。

These are intermediate words and they are useful.

这些都是中级词汇，它们很有用。

I really hope this has been useful.

我真的希望这是有用的。

In other words, these words are useful.

换句话说，这些词很有用。

So this could be useful information someday.

因此这些信息在未来某天可能会派上用场。

Visual aids can be useful for learning.

视觉辅助对学习很有用。

And so I thought it is useful.

所以我认为有目标很有用。

You can imagine gardening gloves are useful.

你可以想到园艺手套很有用。

Now why would this kind of fetal learning be useful?

那么这些发现都有什么用呢？

So you don't think fining people is useful?

那你觉得罚款没有用喽？

So, notice phrasal verbs, they're useful, okay?

注意动词短语，它们很有用。

Wastewater tracking could also be useful for spotting new variants.

废水追踪还能有助于发现新变异。

Although that can be useful for a beginner.

虽然这对初学者很有用。

And this old VHS player could be useful.

这个旧的家用录像播放器也可能有用。

We hope this lesson was useful for you.

我们希望大家觉得这节课有用。

For chronic laryngitis, though, laryngoscopy can be useful.

但对于慢性喉炎，喉镜很有价值。

I hope these tips are useful for you.

希望这些技巧对你有用。

Well, now that could be useful.

这可能会有用了。

That's useful. Pity he's moving on tomorrow.

这很有用。真遗憾他明天就走了。